Tuesday, March 29, 2022

Infectious Omicron BA.2 now dominant in U.S., with coronavirus spring rise likely

The highly infectious BA.2 Omicron subvariant is now the dominant version of the coronavirus circulating in the United States, according to federal estimates, a development that is triggering fresh concerns of a potential springtime wave.
How big that potential upswing might prove to be remains the subject of much debate. Some officials and experts believe California is well-armored against another significant surge — largely because the vast majority of residents have either been vaccinated or likely have some natural immunity left over from a recent infection.
But BA.2 has fueled substantial increases in other countries, demonstrating how readily the super-contagious subvariant can still spread.
"We will have a wave. The only question is how big it will be," tweeted Dr. Eric Topol, director of the Scripps Research Translational Institute in La Jolla…

https://www.latimes.com/california/story/2022-03-29/spring-omicron-ba-2-wave-is-likely-but-how-big-will-it-be

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