So Far

 Washington Post: What to know about the omicron variant of the coronavirus - Omicron has sparked alarm among epidemiologists worried that the new variant’s mutations could make it more transmissible. Scientists are racing to learn more as new cases are confirmed. By Meryl Kornfield, Adela Suliman, Christine Armario, María Luisa Paúl and Lindsey Bever

“This is the most concerning variant we’ve seen since delta,” Eric Topol, director of the Scripps Research Translational Institute, said in an interview. “It’s going to take a really high bar for something to take over for delta, and we don’t know whether this is going to do it.”