‘Stealth Omicron’: How dangerous is the pandemic’s new highly infectious strain of Covid-19? | South China Morning Post

Omicron BA.2, a sister variant of the fast-spreading Omicron BA.1 variant, is proving to be an even more infectious form of the new strain of the Covid-19 virus. In Hong Kong, Omicron BA.2 quickly overtook BA.1 to become the dominant strain, fuelling the largest wave of cases seen in the city so far during the pande…

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