Timeline

The evidence for an additional dose of COVID-19 vaccine for the immunocompromised

August 20, 2021

The evidence for an additional dose of COVID-19 vaccine for the immunocompromised

The latest in-depth science review from our Prevent Epidemics team considers the evidence on additional COVID-19 vaccines for people with certain immunocompromising conditions. An additional dose of mRNA vaccine has been shown to boost antibody responses in some of this population and may provide better protection from the virus.