LOS ANGELES, April 21 (Xinhua) — A new Omicron subvariant is spreading in the United States, and has accounted for nearly 10 percent of new weekly COVID-19 cases reported across the country, according to data updated Friday by the U.S. Centers for Disease Control and Prevention (CDC). Read full story
New Omicron subvariant XBB.1.16 spreading in U.S.
