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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