The rapidly spreading BA.5 subvariant is now causing about 80% of new COVID-19 infections in the U.S., according to new data from the Centers for Disease Control and Prevention.
Researchers blame a mix of factors for the jump, including waning immunity and mutations that have caused this variant to sneak past the body’s defenses.
Researchers say that on average, people getting reinfected now last had COVID-19 about nine months ago.Copyright 2022 CNN Newsource. All rights reserved.
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