Moderna's president on booster shots for immunocompromised

Moderna’s president on booster shots for immunocompromised

Dr. Stephen Hoge, Moderna’s president, says COVID-19 vaccines are ‘really effective,’ but notes that the Delta variant ‘poses a substantial threat to all of the vaccines’ and the durability of immunity. Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News…