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Harvard's TH Chan School of Public Health

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COVID-19: This Key Factor Could Indicate Whether Stealth Omicron Will Cause New Surge In US COVID-19: This Key Factor Could Indicate Whether Stealth Omicron Will Cause New Surge In US
Covid-19: This Key Factor Could Indicate Whether Stealth Omicron Will Cause New Surge In US With the new “stealth” COVID-19 sub-variant emerging from the shadows in the US and overseas, researchers are concerned that one subset of Americans could potentially lead to a possible new surge of infections. According to the World Health Organization (WHO), Omicron, which is known as B.1.1.529, has three sub-variants: the original BA.1 that remains the dominant strain, the “stealth” BA.2, which is picking up steam, and the more elusive BA.3. The new “stealth” variant - named for its difficulty to identify due to a lack of certain genetic characteristics - has been becoming more of a co…

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by Zak Failla