Side effects from its Covid vaccine booster shots are simila...

Side effects from its Covid vaccine booster shots are similar to those felt after the second dose, Pfizer said in new data submitted to the FDA. The side effects are more likely to affect younger people, the company’s research showed. $Pfizer (PFE.US)$ is seeking approval to distribute its booster shots across the U.S. $Biotech (BIOT.US)$ $Moderna (MRNA.US)$