Quote:
Originally Posted by bitontheslide
i don't think it is seasonal, it's just that people are outdoors more and that uv levels are higher in summer making the virus less infectious.
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... But that is (largely) what makes the seasonal flu seasonal. Different human behaviour patterns and different environmental conditions over winter than in summer. As you said, you can get the flu year round; someone, somewhere must have it or else it would be extinct, it just gets a better foothold in winter.
The circumstantial evidence that Covid "isn't seasonal" in mainly based on the fact that it's active and spreading in hotter countries but as above, that's sort of based on a misunderstanding that flu isn't active at all in summery conditions, when it is, just at lower levels.
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