Oct 20

FDA approves mixing COVID vaccines

The Food and Drug Administration announcement marks a big step toward expanding the U.S. booster campaign, which began with extra doses of the Pfizer vaccine last month.

Dr. Francis Collins told “Fox News Sunday” that the panel’s recommendation Friday was correct based on a “snapshot” of available data on the effectiveness of Pfizer’s two-shot regimen over time. But he said real-time data from the U.S. and Israel…