BA.5 Subvariant Responsible For 80 Percent of New Covid Cases in the US

Omicron

According to the latest data from the Centers for Disease Control, the ba.5 Omicron subvariant has been reported to be responsible for nearly 80 percent of cases of infection with COVID-19 in the country.

The ba.5 subvariant accounted for 77.9 percent of new infections in the week ended July 16, up from 68.7 percent a week earlier, Xinhua news agency reported.

Another new subvariant, ba.4, accounts for 12.8 percent of new infections, CDC data show. The two infectious subtypes now make up more than 90 percent of new infections in the US.

CDC data shows that confirmed cases contracted by the two subtypes since mid-May.

According to health experts, the two subtypes are more contagious than earlier versions of Omicron and appear more easily than their predecessors to avoid vaccines and protection from past infections.

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