[ELI5]:Why does the flu suddenly disappear when summer arrives?Does the heat kill the flu?
In: Biology
Basically:
> “The virus survives better in cool, dry temperatures,” Simanek said. And that’s thanks to a protective gel-like coating that surrounds the flu virus while it’s in the air.
> The flu is an airborne infectious disease. So in order to spread, the virus needs to survive long enough in the air to travel from one person to the next. And that’s where the virus’s gel-like coating helps when it’s cold outside.
> In colder temperatures, that capsule, which is made of fats and oils called lipids, hardens into a shell around the virus. This protects the virus and keeps it alive long enough to spread between victims.
https://www.insider.com/when-is-flu-season
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