Document and Entity Information [Abstract] Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Ordinary Shares Represents the information pertaining to american depositary shares. American Depositary Shares Document Information [Line Items] Document Type Document Quarterly Report Document Transition Report Document Period End Date Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Country Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Description of deferred A shares. Deferred A shares Represents information pertaining to deferred B shares. Deferred B shares Description of deferred C shares. Deferred C shares Statement Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable Due from Related Parties, Current Accounts receivable - related parties Amount of research and development incentives receivable. Research and Development Incentives Receivable Research and development incentives receivable Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total Assets, Current Total current assets Goodwill Goodwill Property, Plant and Equipment, Net Property and equipment, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Operating Lease, Right-of-Use Asset Right of use assets, net Right-of-use asset Other assets Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Liabilities and Other Liabilities, Current Accrued expenses and other current liabilities Total Contract with Customer, Liability, Current Deferred revenue Operating Lease, Liability, Current Operating lease liability - current Operating lease liability, current Debt, Current Debt Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Operating lease liability - non current Operating lease liability, noncurrent Business Combination, Contingent Consideration, Liability, Noncurrent Contingent consideration Amount of Deferred tax liability, net. Deferred Tax Liability, Net Deferred tax liability, net Other Liabilities, Noncurrent Other non-current liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 15) Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Shareholders' equity: Common Stock, Value, Issued Ordinary shares, £0.000025 nominal value; 37,291,492 shares authorized, issued and outstanding (December 31, 2021: authorized, issued and outstanding: 37,188,730) Aggregate par or stated value of issued deferred stock. Deferred Stock, Value Issued Deferred shares Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated other comprehensive loss - foreign currency translation adjustments Stockholders' Equity Attributable to Parent Total shareholders' equity attributable to Vaccitech plc shareholders' Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance at the end Balance at the beginning Total shareholders' equity Liabilities and Equity Total liabilities and shareholders' equity Common Stock, Par or Stated Value Per Share Ordinary shares, nominal value Ordinary shares, nominal value Common Stock, Shares Authorized Ordinary shares, shares authorized Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Ordinary shares, shares outstanding Face amount or stated value per share of deferred stock. Deferred Stock, Par Or Stated Value Per Share Deferred shares, nominal value The maximum number of deferred shares permitted to be issued by an entity's charter and bylaws. Deferred Stock, Shares Authorized Deferred shares, shares authorized Total number of deferred shares of an entity that have been sold or granted to shareholders Deferred Stock, Shares Issued Deferred shares, shares issued Number of shares of deferred stock outstanding. Deferred Stock, Shares Outstanding Deferred shares, shares outstanding CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Product and Service [Axis] Product and Service [Domain] License revenue Service revenue Information pertaining to research grants and contracts. Research grants and contracts Revenue from Contract with Customer, Excluding Assessed Tax Total revenue Operating Expenses [Abstract] Operating expenses Research and Development Expense Research and development General and Administrative Expense General and administrative Represents a net reversal/credit of general and administrative expenses for the period. Reversal Of General And Administrative Expenses General and administrative Operating Expenses Total operating (income)/expense Operating Income (Loss) Income/(loss) from operations Other Income and Expenses [Abstract] Other income/(expense): Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Change in fair value of derivatives embedded in convertible loan notes Change in fair value of derivatives embedded in convertible loan notes Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Change in fair value of contingent consideration Change in contingent consideration Amount before tax of foreign currency transaction unrealized gain (loss) on convertible loan notes recognized in the income statement. Foreign Currency Transaction Gain (Loss), Unrealized On Convertible Loan Notes Unrealized foreign exchange gain on convertible loan notes Unrealized exchange gain on convertible loan notes Gain (Loss) on Extinguishment of Debt Loss on extinguishment of convertible loan notes Loss on extinguishment of convertible loan notes Loss on conversion of convertible notes Investment Income, Interest Interest income Interest Income (Expense), Net Interest expense Represents the research and development incentives (expenses) for the period. Research And Development Incentive Income (Expense) Research and development incentives Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Total other (expense)/income Income Tax Expense (Benefit) Tax benefit Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income / (loss) Net income/(loss) Net income/(loss) Net Income (Loss) Attributable to Noncontrolling Interest Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Parent Net income/(loss) attributable to Vaccitech plc shareholders Weighted Average Number of Shares Outstanding, Basic Weighted-average ordinary shares outstanding, basic Weighted Average Number of Shares Outstanding, Diluted Weighted-average ordinary shares outstanding, diluted Weighted-average ordinary shares outstanding, diluted Earnings Per Share, Basic Net income/(loss) per share attributable to ordinary shareholders, basic Net income (loss) per share attributable to ordinary shareholders, basic Earnings Per Share, Diluted Net income/(loss) per share attributable to ordinary shareholders, diluted Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other comprehensive loss - foreign currency translation adjustments Foreign currency translation adjustments Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss attributable to Vaccitech plc shareholders Revenue from Related Parties Revenue from related party transactions Revenue from related parties CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN REDEEMABLE CONVERTIBLE PREFERRED SHARES AND SHAREHOLDERS' EQUITY (DEFICIT) Description of series A of redeemable convertible preferred stock. Convertible redeemable preferred stock possess conversion and redemption features. The stock has redemption features that are outside the control of the issuer. Series A shares Description of series B of redeemable convertible preferred stock. Convertible redeemable preferred stock possess conversion and redemption features. The stock has redemption features that are outside the control of the issuer. Series B shares Equity Components [Axis] Equity Component [Domain] Preferred Stock Represents information pertaining to deferred shares. Deferred Shares Additional Paid-in-capital Accumulated Deficit Accumulated Other Comprehensive Loss Noncontrolling Interest Increase (Decrease) in Temporary Equity [Roll Forward] Redeemable Noncontrolling Interest, Equity, Carrying Amount Balance at the end Balance at the beginning Temporary Equity, Shares Outstanding Balance at the end (in shares) Balance at the beginning (in shares) Series B shares outstanding Temporary Equity, Stock Issued During Period, Value, New Issues Issue of shares Series B Shares issued Value of shares issued on conversion of convertible notes during the period classified as temporary equity. Temporary Equity, Value, Conversion Of Convertible Securities Issue of Series B shares, net of issuance costs (in shares) Value of shares issued on conversion of convertible notes during the period classified as temporary equity. Issue Of Series B Shares, Net Of Issuance Costs Issue of Series B shares, net of issuance costs Value of shares issued on conversion of convertible notes during the period classified as temporary equity. Temporary Equity, Shares, Conversion Of Convertible Securities Series B Shares issued on conversion of convertible notes Value of shares issued on conversion of convertible notes during the period classified as temporary equity. Temporary Equity Shares Conversion Of Convertible Securities In Shares Series B Shares issued on conversion of convertible notes (in shares) Value of deferred shares issued during the period from temporary shares. Temporary Equity, Value, Issue Of Deferred shares Issue of Deferred A shares Conversions of Series A shares in equity transactions. Conversion Of Series A Shares Conversion of Series A shares The number of series A shares converted to alternate shares. Conversion Of Series A Shares (In Shares) Conversion of Series A shares (in shares) Conversions of Series B shares in equity transactions. Conversion Of Series B Shares Conversion of Series B shares The number of series B shares converted to alternate shares. Conversion Of Series B Shares (In Shares) Conversion of Series B shares (in shares) Increase (Decrease) in Stockholders' Equity [Roll Forward] Shares, Issued Balance at the end (in shares) Balance at the beginning (in shares) APIC, Share-based Payment Arrangement, Increase for Cost Recognition Share based compensation Stock Issued During Period, Value, Other Issue of ordinary shares Stock Issued During Period, Shares, Other Issue of ordinary shares (in shares) Stock Issued During Period, Value, New Issues Initial public offering, net of underwriting discounts Stock Issued During Period, Shares, New Issues Initial public offering, net of underwriting discounts (in shares) Offering costs to equity during the period. Offering Costs Offering Cost Offering costs refund to equity during the period. Offering Costs Refund Offering cost refund Conversion of series A shares to regular equity. Conversion Of Series A Shares Equity Conversion of Series A shares Conversion of Series A shares to equity, in shares. Conversion Of Series A Shares Equity (In Shares) Conversion of Series A shares (in shares) Conversion of series B shares to regular equity. Conversion Of Series B Shares Equity Conversion of Series B shares Conversion of Series B shares to equity, in shares. Conversion Of Series B Shares, Equity, In Shares Conversion of Series B shares (in shares) Value of deferred shares issued during the period from temporary shares. Stock Issued During Period, Value, Issue Of Deferred shares Issue of Deferred A shares Number of deferred shares issued during the period from temporary shares. Stock Issued During Period, Shares, Issue Of Deferred shares Issue of Deferred A shares (in shares) The increase (decrease) in equity attributable to noncontrolling interest. Increase (Decrease) In Equity From Noncontrolling Interest Issue of share to non-controlling interest CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income / (loss) to net cash used in operating activities: Share-based Payment Arrangement, Noncash Expense Share based compensation Depreciation, Depletion and Amortization Depreciation and amortization The amount of non-cash lease expenses. Non-Cash Lease Expenses Non-cash lease expenses Foreign Currency Transaction Gain (Loss), Unrealized Unrealized foreign exchange gain Amount of non-cash interest expense on convertible loan notes. Non-Cash Interest Expense On Convertible Loan Notes Non-cash interest expense on convertible loan notes Gain (Loss) on Disposition of Property Plant Equipment Profit on sale of property and equipment Profit on sale of property plant and equipment Deferred Income Tax Expense (Benefit) Deferred tax benefit Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable (including related parties) Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Amount of increase (decrease) in research and development incentives receivable. Increase (Decrease) in Research and Development Incentives Receivable Research and development incentives receivable Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other current liabilities Increase (Decrease) in Contract with Customer, Liability Deferred revenue Increase (Decrease) in Other Operating Assets Other assets Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property plant and equipment Proceeds from sale of property and equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised Issue of shares and exercise of stock options Repayments of Short-term Debt Repayment of debt Payments of Stock Issuance Costs Initial public offering costs The cash outflow for cost incurred directly with the issuance of callable preferred stock which is identified as being convertible to another type of financial security at the option of the issuer or the holder. Payments of Transaction Costs For Redeemable Convertible Preferred Stock Transaction costs for Series B shares Proceeds from Issuance of Redeemable Convertible Preferred Stock Proceeds from issue of Series B shares Proceeds from Noncontrolling Interests Proceeds from issue of shares to noncontrolling interest Proceeds from Issuance of Common Stock Proceeds from issuance of ordinary shares, net of underwriters fees Aggregate net proceeds from IPO Net Cash Provided by (Used in) Financing Activities Net cash (used in)/provided by financing activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net (decrease)/ increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents, end of the period Cash and cash equivalents, beginning of the period Supplemental Cash Flow Information [Abstract] Supplemental cash flow disclosures: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest Income Taxes Paid, Net Cash paid for income taxes Non-Cash investing and financing activities Capital expenditures included in accounts payable Capital expenditures included in accounts payable The amount of ROU assets obtained in exchange for operating lease liabilities. ROU assets obtained in exchange for operating lease liabilities ROU assets obtained in exchange for operating lease liabilities Amount of asset retirement obligations. Asset Retirement Obligations Asset retirement obligation Amount of changes to right-of-use asset resulting from lease reassessment event. Changes to right-of-use asset resulting from lease reassessment event Changes to right-of-use asset resulting from lease reassessment event Stock Issued Issue of shares Nature of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Nature of Business and Basis of Presentation Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Net Income (Loss) Per Share Earnings Per Share [Text Block] Net Income (Loss) Per Share Property and equipment, net Property, Plant and Equipment Disclosure [Text Block] Property and equipment, net Prepaid expenses and other current assets. The entire disclosure on prepaid expense and other current assets. Prepaid Expense and Other Assets, Current [Text Block] Prepaid expenses and other current assets Accrued expenses and other current liabilities The entire disclosure of the components of accrued liabilities and other current liabilities. Accrued Liabilities And Other Current Liabilities [Text Block] Accrued expenses and other current liabilities Series A preferred shares and Series B preferred shares The entire disclosure of information pertaining to redeemable noncontrolling interest. Redeemable Noncontrolling Interest Disclosure [Text Block] Series A preferred shares and Series B preferred shares Convertible loan notes Debt Disclosure [Text Block] Convertible loan notes Ordinary Shares. Stockholders' Equity Note Disclosure [Text Block] Ordinary Shares Deferred shares [Abstract] Deferred Shares. The entire disclosure for Deferred Shares as disclosed by the entity. Stockholders Equity Deferred Shares Disclosure [Text Block] Deferred Shares Fair value Fair Value Disclosures [Text Block] Fair value Information about Goodwill. Goodwill. Goodwill Disclosure [Text Block] Goodwill Share-Based Compensation Share-based Payment Arrangement [Text Block] Share-Based Compensation Contract Assets and Liabilities Schedule of Regulatory Assets and Liabilities [Text Block] Contract Assets and Liabilities Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions Foreign currency translation Foreign Currency Disclosure [Text Block] Foreign currency translation Use of Estimates, Policy [Policy Text Block] Use of Estimates New Accounting Pronouncements, Policy [Policy Text Block] Recently issued accounting pronouncements Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of computation of basic and diluted net income (loss) per share Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of prepaid expenses and other current assets Tabular disclosure of the components of accrued liabilities and other current liabilities. Accrued Liabilities And Other Current Liabilities [Table Text Block] Schedule of accrued expenses and other current liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of financial instruments carried at fair value and classified within Level 3 Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of fair value stock option issued to employees Share-based Payment Arrangement, Cost by Plan [Table Text Block] Schedule of share based compensation expense Schedule of Other Assets and Other Liabilities [Table Text Block] Schedule of changes in contract liabilities during period Tabular disclosure for Company's right-of-use asset and lease liability and other information. Lessee Operating Lease Right of Use asset and Other Information [Table Text Block] Schedule of right-of-use asset and a lease liability Tabular disclosure for Company's other information on lease liability. Lessee Operating Lease Other Information [Table Text Block] Schedule of other information on lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of future annual minimum lease payments under operating leases Subsequent Event [Table] Subsequent Event [Line Items] Stockholders' Equity Note, Stock Split, Conversion Ratio Stock Split Net Income (Loss) Attributable to Parent [Abstract] Numerator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Denominator: Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Shares excluded from the computation of diluted weighted-average shares outstanding Effect of dilutive stock options Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Stock options Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share Property, Plant and Equipment [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Domain] Leasehold improvements Property, Plant and Equipment [Line Items] Property, plant and equipment Property, Plant and Equipment, Additions Property and equipment, additions Prepaid Expense, Current Prepayments and accrued income Value Added Tax Receivable, Current Value Added Tax receivable Amount of employee retention and payroll tax credit, current as on the balance sheet date. Employee Retention And Payroll Tax Credit, Current Employee retention and payroll tax credit This item represents the current receivable for an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease. The receivable is due within one year. For classified balance sheets, this element represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Lease Incentive Receivables, Current Lease incentive receivable Other Assets, Current Others Carrying value as of the balance sheet date of obligations incurred through that date and payable for manufacturing and clinical expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Manufacturing and Clinical Expenses, Current Accrued manufacturing and clinical expenses Workers' Compensation Liability, Current Accrued board of director compensation Accrued Bonuses, Current Accrued bonus Accrued Employee Benefits, Current Accrued payroll and employee benefits Accrued Professional Fees, Current Accrued professional fees Other Accrued Liabilities, Current Accrued other Redeemable Noncontrolling Interest, by Legal Entity [Table] Redeemable Noncontrolling Interest [Line Items] Redeemable noncontrolling interest Number of new stock classified as temporary equity issued during the period. Temporary Equity, Stock Issued During Period, Shares, New Issues Stock issued Series B shares issued (shares) Gross value of new stock classified as temporary equity issued during the period. Temporary Equity, Stock Issued During Period, Value, New Issues Gross Gross value of shares issued The amount of stock issuance costs associated with the issuance of temporary equity. Temporary Equity, Stock Issuance Costs Transaction costs Number of shares issued for each share of temporary equity stock on automatic conversion upon a vote by a simple majority of the temporary equity shareholders or upon the completion of a qualified public offering at a threshold price per share. Temporary Equity, Shares Issued Upon Automatic Conversion Shares issued upon automatic conversion Preferred Stock, Par or Stated Value Per Share Nominal value per share Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Convertible loan notes. Debt Instrument [Line Items] Debt instrument Interest Expense, Debt Interest expense recognized Interest on convertible loans Debt Conversion, Converted Instrument, Shares Issued Shares issued on conversion Multiplier applied to the share issue price in the calculation of conversion price of the debt instrument. Debt Instrument, Convertible, Conversion Price, Multiplier Conversion price, multiplier Debt Conversion, Converted Instrument, Amount Fair value of shares issued on conversion Debt Conversion, Original Debt, Amount Carrying amounts of the convertible loan notes Amount of a favorable spread to a debt holder between the amount of debt being converted or redeemed and the value of the securities received upon conversion or redemption. Debt Instrument, Convertible, Beneficial Conversion And Redemption Feature Conversion and redemption feature liability Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Sale of Stock [Domain] IPO Subsidiary, Sale of Stock [Line Items] Ordinary Shares Represents the number of ADS shares issued during the period. Number Of American Depositary Shares (ADS) Issued Number of ADS shares closed (in shares) Sale of Stock, Price Per Share Ordinary shares, public offering price Underwriting commissions for issuance of common stock. Issuance Of Common Stock, Underwriting Commissions Underwriting commissions Offering costs related to the issuance of common stock. Issuance Of Common Stock, Offering Costs Offering cost The number of votes that each common share is entitled. Common Stock Number of Votes Per Share Common shares, votes per share The minimum percentage of shares required to exercise preemptive rights. Percentage Of Shares Necessary To Exercise Preemptive Rights Percentage of ordinary shares present to exercise preemptive rights The period allowed to exercise preemptive rights. Period Of Preemptive Rights To Be Exercised Maximum period to exercise preemptive rights The amount of liquidation preference on ordinary shares to be paid after which the deferred shares have the entitlement to receive out of the assets of the Company. Ordinary Shares, Liquidation Preference Ordinary shares, liquidation preference Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liability Class [Axis] Fair Value by Liability Class [Domain] Embedded derivatives Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Level 3 Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair value and classified within Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Ending balance Beginning balance Contingent consideration liability Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Change in fair value recognized in net income/(loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Settlement via conversion Amount of foreign exchange translation of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Foreign Exchange Translation Foreign exchange translation recognized in other comprehensive loss Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] This member stands for avidea. Avidea Plan Name [Axis] Plan Name [Domain] Information pertaining to the Vaccitech plc Share Award Plan 2021. Vaccitech plc Share Award Plan 2021 Information pertaining to the Enterprise Management Incentive Share Option Scheme. Enterprise Management Incentive Share Option Scheme Award Type [Axis] Award Type [Domain] Stock option RSU Information pertaining to aggregate awards under a specific share-based compensation plan. Restricted share units, options, share appreciation rights and restricted shares Total number of shares available for issuance under the Plan as a percentage of the Company's issued and outstanding shares. Share-Based Compensation, Percentage Of Shares Available For Issuance As A Percentage Of Issued And Outstanding Shares Percentage of issued and outstanding ordinary shares available for issuance under the Plan Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average grant date per-share fair value of stock options granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price of options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares Number of unvested options canceled Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price of options outstanding Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Unrecognized compensation cost related to options Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of awards granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of shares outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of awards vested Employee Stock Ownership Plan (ESOP), Compensation Expense Compensation cost Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Unrecognized compensation cost which is expected to be recognized over a weighted-average period Grantee Status [Axis] Grantee Status [Domain] Employee Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate Income Statement Location [Axis] Income Statement Location [Domain] Research and development General and administrative Share-based Payment Arrangement, Expense Share based compensation expense Contract with Customer, Liability Balance at end of period Balance at beginning of period Contract with Customer, Liability, Revenue Recognized Revenue recognized related to contract liability balance Revenue recognized Amount of increase (decrease) in contract liabilities due to foreign exchange translations. Contract With Customer Liability, Foreign Exchange Translation Foreign exchange translation Other Commitments [Table] Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum Minimum Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Represents the information pertaining to In-License Agreements. In-License Agreements Geographical [Axis] Geographical [Domain] MARYLAND Balance Sheet Location [Axis] Balance Sheet Location [Domain] Other Non-current Assets This member stands for Laboratory. Laboratory Other Commitments [Line Items] Percentage of future royalties for direct sales of a covered product under the In-License Agreements. Percentage of Future Royalties for Direct Sales of Covered Product , License Agreement Percentage of future royalties for direct sales of a covered product Percentage of net payments received for allowable sublicenses of technology developed under the In-License Agreements. Percentage Of Net Payments Received For Allowable Sublicenses Of Technology Developed License Agreement Net payments received for allowable sublicenses of technology developed Represents the information pertaining to number of Square Feet Under Lease Agreement. Number Of Square Feet Under Lease Agreement Number of square feet under lease agreement Term of lessee's operating lease extended, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Lessee Operating Lease, Extended Term Additional lease term Leasehold Improvements, Gross Leasehold improvement expense Security Deposit Refundable security deposit Leases Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term (years) Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Operating Lease, Payments Operating cash flows from operating leases Operating Lease, Cost Operating lease costs Short-term Lease, Cost Short-term lease expense Other Noncurrent Liabilities Future annual minimum lease payments under operating leases Amount of lessee's lease receivable for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. Lessee, Operating Lease, Receivable, Remainder of Fiscal Year Remainder of 2022 Amount of lessee's lease receivable for operating lease to be received in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date. Lessee, Operating Lease, Receivable, to be Received, Year One 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two 2024 Lessee, Operating Lease, Liability, to be Paid, Year Three 2025 Lessee, Operating Lease, Liability, to be Paid, Year Four 2026 Amount of lessee's undiscounted obligation for lease payment for operating lease due in year four and after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Lessee, Operating Lease, Liability, to be Paid, after Year Four Thereafter Lessee, Operating Lease, Liability, to be Paid Total minimum lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest Operating Lease, Liability Total operating lease liability Asset Retirement Obligation Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Axis] Related Party Transaction [Domain] Represents the information pertaining to Lease of a laboratory and office space in Oxford. Lease of a laboratory and office space in Oxford Represents the information pertaining to Clinical study costs. Clinical study costs Related Party [Axis] Related Party [Domain] This member stands for Shareholder Of Oxford Sciences Enterprises Plc. Shareholder Of Oxford Sciences Enterprises Plc Represents the information pertaining to Shareholder, the University of Oxford. Shareholder, the University of Oxford Represents the information pertaining to Oxford University Innovation Limited. Oxford University Innovation Limited Information pertaining to Oxford University Hospitals Oxford University Hospitals Related Party Transaction [Line Items] Related Party Transactions Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Related Party Transactions Expenses From Transactions With Related Party Related party transactions expenses paid Related Party Transaction, Expenses from Transactions with Related Party Related party expenses Amount of refund received from related party. Refund Received From Related Party Refund received Due from Related Parties Net receivable from related parties Due to Related Parties Due to related party Convertible Preferred Stock, Shares Issued upon Conversion Number of converted ordinary shares Foreign Currency Transaction Gain (Loss), before Tax Net foreign exchange gain