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Will the coronavirus survive in the refrigerator or freezer?
A 2010study used two viruses that are related to the COVID-19 virus to look at the effects of temperature and humidity on viral survival. Researchers found that both lower temperatures and lower humidity helped viruses survive longer. In particular, at 4 degrees C, or 40 degrees F, and 20% relative humidity, more than two thirds of the viruses survived for 28 days. On the other end of the spectrum, at 40 degrees C, or 104 degrees F, and 80% humidity, the viruses survived for less than 6 hours.
This suggests that coronaviruses survive better on surfaces at colder temperatures. It is alsoexpected that the virus would survive being frozen.
Drafted 19 March 2020