COVID-19 vaccines get their first update since the pandemic began. Here's what you need to know about them 30 AUG 20223:20 PMBYGRETCHEN VOGEL A version of this story appeared in Science, Vol 377, Issue 6610. Download PDF Update, 31 August, 1:30 p.m.: The U.S. Food and Drug Administration announced today it has granted an emergency use authorization for Moderna’s and Pfizer-BioNTech’s updated booster vaccines, which target the BA.4/BA.5 coronavirus subvariants. The U.S. Centers for Disease Control and Prevention’s Advisory Committee on Vaccine Practices is scheduled to discuss recommendations for who should receive the vaccines and when at their meeting on...