Over 40% of COVID-19 cases in the United States are now caused by the highly contagious Omicron XBB.1.5, data from the US Centers for Disease Control and Prevention showed on Friday, with the subvariant doubling from the previous week.
Covid surge in US: Experts said the actual number is much higher as people testing at home do not relay their results to public health departments, and many people do not do tests anymore. More than 1.08 million people in the US had died from Covid-19 since the pandemic began, more than any other country in the world, CDC data showed.
US new covid guidelines: The U.S. announced new COVID-19 testing requirements for all travelers from China, joining other nations imposing restrictions because of a surge of infections. The new U.S. requirements, which start Jan. 5