Omicron subvariant BA.2 is now the dominant strain of Covid-19 in the US, CDC says – CNN

The highly contagious Omicron subvariant BA.2 is now the dominant strain of Covid-19 in the United States, causing an estimated 54.9% of all new Covid-19 infections last week, according to new data f… [+352 citações de pitágoras sobre a vida]

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