This study is testing a vaccine to be used as a booster to prevent coronavirus infection (COVID-19).
It is sponsored by Gritstone bio, Inc and is being carried out by a team of researchers at Manchester University NHS Foundation Trust.
- Aged 60+ years
- Have received two or three doses of the Pfizer vaccine (Comirnaty)
- Never had coronavirus
- Receiving the study vaccine and keeping a symptom diary for 8 days afterwards
- Attending a number of appointments over the 12 months study period.
- 30 June 2022