Here's what to know about the new omicron mutant, a descendant of the earlier super-contagious “stealth omicron” that has quickly gained ground in the United States.
reported Tuesday by the U.S. Centers for Disease Control and Prevention. And it caused 58% of reported infections in the New York region. in at least 13 other countries, but the U.S. has the highest levels of it so far. Scientists say it spreads even faster than stealth omicron.Cases are rising in places with increasing levels of the BA.2.12.
It appears a similar pattern will likely play out nationally, says Kirsten St. George, director of virology at New York state’s Wadsworth Center Laboratory. Scientists are trying to figure out other aspects of BA.2.12.1, including whether vaccines are as effective against it as previous variants.
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