U.S. has until June to decide whether we need new Covid shots for this fall, FDA official says - Earth News Report
A volunteer is injected with a vaccine as he participates in a coronavirus disease (COVID-19) vaccination study at the Research Centers of America, in Hollywood, Florida, September 24, 2020.Marco Bello | ReutersThe FDA has until the early summer to decide whether vaccine makers need to change existing Covid shots to target different virus variants to
