Vaccitech plc is a biopharmaceutical company focused on discovering and developing T cell immunotherapeutics and vaccines for infectious diseases and cancers. The company is working on several therapeutic programs in different clinical stages, including chronic hepatitis B infection, human papilloma virus infection, prostate cancer, and non-small cell lung cancer. Vaccitech plc is also working on prophylactic programs such as herpes zoster or shingles, Middle East respiratory syndrome, and the COVID-19 vaccine, Vaxzevria.