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BA.2.12.1

COVID-19: First Spread In US Due To New Sub-Variants Of 'Stealth Omicron' Reported In NY COVID-19: First Spread In US Due To New Sub-Variants Of 'Stealth Omicron' Reported In NY
Covid-19: First Spread In US Due To New Sub-Variants Of 'Stealth Omicron' Reported In NY Two new sub-variants of BA.2. or the so-called COVID-19 "Stealth Omicron" strain, could be considerably more contagious, say health officials who are reporting a surge in cases in Central New York State,  the first such outbreak in the nation. The New York State Department of Health on Wednesday, April 13 announced the emergence of the two Omicron sub-variants: BA.2.12 and BA.2.12.1.  BA.2 now accounts for more than 50 percent of COVID cases nationally and 80.6 percent in New York.  The sub-variants have been estimated to have a 23- to 27-percent growth advantage above …