US sets the stage for COVID booster shots for millions

The U.S. vaccination drive against COVID-19 is poised for a major new phase: Government advisers on Thursday recommended booster doses of Pfizer’s vaccine for millions of Americans

The U.S. vaccination drive against COVID-19 stood on the verge of a major new phase as government advisers Thursday recommended booster doses of Pfizer's vaccine for millions of older or otherwise vulnerable Americans — despite doubts the extra shots will do much to slow the pandemic.

Advisers to the Centers for Disease Control and Prevention said boosters should be offered to people 65 and older, nursing home residents and those ages 50 to 64 who have risky underlying health problems. The extra dose would be given once they are at least six months past their last Pfizer shot.

Deciding who else might get one was far tougher. While there is little evidence that younger people are in danger of waning immunity, the panel offered the option of a booster for those 18 to 49 who have chronic health problems and want one.

But the advisers refused to go further and open boosters to otherwise healthy front-line health care workers who aren't at risk of severe illness but want to avoid even a mild infection.