The faster-spreading Omicron sub-variant is now estimated to make up more than half of coronavirus cases in the U.S.
BA.2 was detected in the majority—54.9 percent—of COVID-19 samples studied between March 20 and March 26, according to current CDC estimates.that the sub-variant could become the dominant form of coronavirus in the country.
BA.2 is known for its increased transmissibility over the previously dominant Omicron type, known as BA.1.
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CDC: 'Stealth omicron' now dominant variant in the U.S.BA. 2, the highly contagious omicron subvariant, is now the dominant COVID-19 strain in the U.S., according to data from the CDC.
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BA.2 version of omicron is now the dominant coronavirus variant in U.S., CDC saysThe BA.2 subvariant was estimated to account for nearly 55 percent of variants circulating in the country as of Saturday.
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Omicron BA.2 sub-variant now dominant in U.S., CDC saysCDC data measured through last week estimates the Omicron sub-variant is responsible for about 55 percent of cases in the United States.
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Shanghai further tightens Covid curbs in a bid to contain virus spreadShanghai – one of China’s largest and important economic cities – has become a testing ground for the country’s “zero-Covid” strategy as it tries to bring the highly infectious Omicron variant under control.
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