Opinion | What We Know About Covid-19, the Flu and the Air We Breathe – The New York Times

January 30, 2022

Ventilation!
opening windows, running fans; applicable to the flu too!

https://www.nytimes.com/2021/10/19/opinion/covid-flu-air-transmission.html

This entry was posted on January 30, 2022 at 12:53 am and is filed under -.

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