Vaccines and immunity through infection may be just the drop in seventh wave cases

M/CLOUDY

As the seventh wave of COVID-19 infections has passed its peak, experts say advances in vaccines and herd immunity acquired through infection may be just the existing downward trend.

In the seventh wave, which hit the country this summer, the highly transmissible subvariant BA. 5 omicron was the dominant strain. The cumulative number of COVID-19 cases in the country reached 10 million on July 14 and 20 million about two months later.

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