How much should people worry about Covid’s newly-dominant XBB.1.5 variant? Our medical analyst explains | CNN
CNN — A new Covid-19 variant, XBB.1.5, is spreading rapidly throughout the United States. In December 2022, the proportion of new Covid-19 infections due to this Omicron offshoot…
Read more How much should people worry about Covid’s newly-dominant XBB.1.5 variant? Our medical analyst explains | CNN