United States securities and exchange commission logo April 1, 2021 William Enright Chief Executive Officer Vaccitech Limited The Schr dinger Building Heatley Road The Oxford Science Park Oxford OX4 4GE United Kingdom Re: Vaccitech Limited Amendment No. 3 to Draft Registration Statement on Form S-1 Submitted March 23, 2021 CIK No. 0001828185 Dear Mr. Enright: We have reviewed your amended draft registration statement and have the following comments. In some of our comments, we may ask you to provide us with information so we may better understand your disclosure. Please respond to this letter by providing the requested information and either submitting an amended draft registration statement or publicly filing your registration statement on EDGAR. If you do not believe our comments apply to your facts and circumstances or do not believe an amendment is appropriate, please tell us why in your response. After reviewing the information you provide in response to these comments and your amended draft registration statement or filed registration statement, we may have additional comments. Amendment No. 3 to Draft Registration Statement on Form S-1 submitted March 23, 2021 Prospectus Summary Overview, page 3 1. We note your disclosure related to the jurisdictions where conditional marketing and emergency use authorizations have been granted for AZD1222, the COVID-19 vaccine you co-invented that is licensed to AstraZeneca UK Limited. In the interests of balanced disclosure, please expand here and elsewhere to identify any jurisdictions that have suspended or reversed plans to authorize the vaccine and discuss the reasons for such William Enright Vaccitech Limited April 1, 2021 Page 2 decisions. In this regard we note your risk factor disclosure regarding thromboembolic events, as well as public reports related to the vaccine's efficacy against certain variants and AstraZeneca's statements modifying its reported efficacy rate. Managements Discussion and Analysis of Financial Condition and Results of Operations Liquidity and Capital Resources Options Granted, page 111 2. Please update your disclosures to also include the weighted average exercise price and fair value of the options issued to date in fiscal 2021. We note that you issued options in February 2021. 3. We also noted that the exercise price for certain options is presented in dollars and others are in pounds sterling. Please advise. You may contact Julie Sherman at 202-551-3640 or Daniel Gordon at 202-551-3486 if you have questions regarding comments on the financial statements and related matters. Please contact David Gessert at 202-551-2326 or Jeffrey Gabor at 202-551-2544 with any other questions. Sincerely, FirstName LastNameWilliam Enright Division of Corporation Finance Comapany NameVaccitech Limited Office of Life Sciences April 1, 2021 Page 2 cc: Robert E. Puopolo, Esq. FirstName LastName