Why has a third dose of the COVID-19 mRNA vaccines been recommended for immunocompromised people?


A. Recent data has shown that a third dose of either the Moderna or the Pfizer mRNA COVID-19 vaccine boosts a previous weak or undetectable vaccine response in some immunocompromised people. This additional dose can help push the immune response to protective levels in some immunocompromised people. A third dose of the COVID-19 mRNA vaccine