Editor’s note: See cold and flu activity in your location with the WebMD tracker. 

Dec. 2, 2022 – The flu virus made the most of the Thanksgiving holiday by reaching the highest level of national activity seen since the 2017-18 influenza season, according to the CDC. 

The biggest 1-week increase in what is becoming an unprecedented flu season had flu-like activity at 7.5% for the week of Nov. 20-26, as measured by the proportion of outpatient visits reported to the CDC that involved respiratory illness, which may also include respiratory syncytial virus (RSV) and COVID-19.

That 7.5% is the highest level of…


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