COVID-19 activity has increased in most areas in the U.S. while seasonal flu activity remains elevated across the country, the CDC said. Meanwhile, RSV activity is very high in many areas of the U.S., ...
Flu cases are high in California with respiratory virus season in full swing. About 20% of tests for influenza came back as positive in California for the week of Dec. 29 to Jan. 4, according to the ...
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