What is known about new Covid variant XBB.1.5?
The highly contagious new variant of COVID-19 XBB.1.5 is already dominant in the United States, with numbers doubling every week for the past month. In recent weeks, scientists have reported that the omicron variant, XBB.1.5, which has doubled its contagion rate, from 4% to 41% of new infections during December. In the northeast, experts estimate … Read more
