Day: October 18, 2022

The XBB family of Omicron has landed in the U.S. Here’s what it means for this fall’s COVID wave

Here’s what we know about the latest omicron variant’s emergence in the United States: “XBB—a new, extremely immune-evasive Omicron variant surging in Singapore—hasn’t yet been detected in the U.S. But its child has. XBB.1 was first detected in the U.S. on Sept. 15 and made up