COV-BOOST national vaccination trial at Addenbrooke’s

A team from Cambridge is inviting individuals aged 18 to 30 years to enroll in a national vaccination trial (COV-BOOST), in which they will be randomised to receive a booster dose of COVID-19 vaccine (Pfizer or Moderna) at either full or “fractional” dosage in the Clinical Research Facility at Addenbrooke’s Hospital during a few dates in May.

 If immune responses to full and fractional doses are equivalent, this study may change COVID-19 vaccination schedules both in the UK and internationally – with the use of reduced vaccine dosage providing the potential to greatly increase the availability of COVID mRNA vaccines worldwide, including developing nations. If you are interested in taking part, further information is available here: