Masks really work to reduce the spread of Covid-19

Masks really work to reduce the spread of Covid-19

- March 25, 2020

Article URL: https://twitter.com/jeremyphoward/status/1242894378441506816

Comments URL: https://news.ycombinator.com/item?id=22690966

Points: 52

# Comments: 28

from Hacker News: Front Page https://twitter.com/jeremyphoward/status/1242894378441506816
via

Comments