No, cold weather does not kill respiratory viruses – in fact, it does the opposite

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The thermometer is dropping, almost in cadence with the COVID-19 case count, and holiday gatherings look promising.

Nationwide and here at home, data shows big strides fighting COVID-19. But, health experts have cautioned the finish line is not quite within reach.

THE QUESTION
Viewer Carol Harris claimed, "We need a good freeze to kill all these germs." Is it true a freeze, or even just cold weather, can kill viruses like COVID-19 and the flu?



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Current correlations for U.S. states...
-0.801 --- current case rates per 100k*; to average Fall temperature**

-0.144 --- current case rates per 100k; to percent of population vaccinated


* Last 7 days thru 11/2/2021, via Mayo Clinic
** Average Sep-Oct-Nov temperatures 1971-2000 (NOAA)

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