The US may face a challenging flu season, with a virus causing more severe symptoms than last year’s and spreading quicker and earlier than usual.
Scientists at the Centers for Disease Control and Prevention released data indicating that flu infections are still low but rising across 39 states.
The dominant flu strain, H3N2, is known to cause more severe symptoms compared to last year’s common H1N1 virus.
According to data from the University of Toronto Press, the new strain has acquired at least seven mutations that enable it to bypass immunity.
“There is basically a new variant of influenza circulating that has mutated a little bit. And that means that it’s just different enough from what your body or the vaccine may recognize that it can kind of get around those protections,” Caitlin Rivers, an epidemiologist at Johns Hopkins, said.
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Early Indicators Signal A Severe Flu Season In The US This Year..
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