The BA.5 (dark green) and BA.4 (light green) now combine to make up more than half of active Covid cases in the U.S.

COVID-19 BA.4 and BA.5 variants make up more than HALF of US cases

New COVID-19 variants are starting to rise in the United States, with the highly feared BA.4 and BA.5 strains now making up around half of active cases in the nation – according to most recently available sequencing data. The Centers for Disease Control and Prevention (CDC) revealed Tuesday that the strains combine for 52 percent …

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