Does Winter Cause The Flu? -- Microbiologists Discover Reason Why The Flu Virus Thrives In Winter

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Does Winter Cause The Flu? -- Microbiologists Discover Reason Why The Flu Virus Thrives In Winter

Virologists investigating transmission of the flu virus found that it is more likely to spread at colder temperatures. The dry, cold conditions pull moisture out of droplets released by coughs and sneezes, which allows the virus to linger in the air. Additionally, cold, low humidity air dries out the nasal passages and makes virus transmission more likely. This contradicts the long-held view that the flu spreads because the immune system is less active during the winter.

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Tags: Immune, Flu, Nose, Cough