coronavirus vaccine August 16, 2021 8:24 pm COVID-19 Booster Shots Recommended After 8 Months: Sources U.S. health officials are expected to announce that they recommend booster shots of the COVID-19 vaccine eight months after receiving the second dose, according to sources. US & World Videos 2:33 CDPH releases updated Covid-19 isolation guidelines 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 2:17 San Diego and California's COVID-19 Emergency Declarations Are Expiring. Here's What That Means 2:30 San Diego and California COVID-19 Emergency Declarations Expire Tuesday 3:26 COVID, Flu Cases Down Slightly; Doctors Urge Caution