Flue or Covid?

Rates of influenza have remained persistently low through late 2020 and into 2021, cratering from levels a year ago and raising the puzzling specter of sharply reduced influenza transmission rates even as positive tests for COVID-19 have shattered numerous records over the last several weeks.

Where have all the flu cases gone?

Epidemiologist Knut Wittkowski thinks he can answer the riddle.

https://justthenews.com/politics-policy/coronavirus/influenza-levels-continue-cratering-some-cite-covid-measures-even-covid

Do you remember wearing a mask to prevent spreading the flu when you were young?
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