The interval between first and second doses of the Pfizer and Moderna Covid-19 vaccines may be as long as eight weeks for certain people, the US Centers for Disease Control and Prevention said in ...

The Food and Drug Administration announced on Tuesday that older individuals and those with weakened immune systems are eligible for another dose of the updated COVID-19 booster. According to the ...

Moderna said Thursday that its vaccine is 93% effective through six months after receiving the second dose. In a news release, the company added that it tested three booster shots in phase 2 of its ...

Nearly a quarter of individuals who initiated the COVID-19 vaccine series in Iowa have missed their second dose, according to state public health officials. potentially throwing a wrench in the race ...