Nation FDA set to authorize third vaccine dose for immunocompromised people, reports say: Live COVID-19 updates August 12, 2021 Elinor Aspegren and Steven Vargas, USA TODAY Comments Off on FDA set to authorize third vaccine dose for immunocompromised people, reports say: Live COVID-19 updates The FDA is expected to allow a third shot of coronavirus vaccine as for some immunocompromised people, multiple media reports said. Live COVID news