Scientists believe the mutations may allow the virus to better bind to receptors in the upper airways of humans.
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Last winter's flu season was considered “moderate” overall, but it was long - 21 weeks - and the U.S. CDC estimated there were 28,000 flu-related deaths.
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This year, more than 60 bird flu infections have been reported, more than half of them in California.
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Swedish health officials say they have identified the first case of a person with the more infectious form of mpox first seen in eastern Congo.
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Around the nation scientists are finding more traces of SARS-CoV-2 in the wastewater, including here at home. Scientists are using wastewater to determine the spread of the disease.