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Notes by Chase W. Nelson|倪誠志 | export

 Wearing a mask does not make it OK to be sick in public.

If you must go out, a mask is better than no mask. But the mask only reduces the probability of infecting others, and becomes less effective the longer you breathe shared air.

You are still putting others at risk. #Covid 
 “U.S. COVID infections are hovering near levels of the pandemic’s first peak in 2020, and approaching the Delta peak of late 2021, according to wastewater surveillance and modeling by forecasters.” #COVID https://fortune.com/well/2023/09/16/united-states-covid-levels-approach-first-pandemic-peak-2020-who-urges-vaccination-boosters-high-risk/