Birdwatch Note Rating
2023-08-26 16:25:52 UTC - HELPFUL
Rated by Participant: D511039B76AF8DA197666895E1956B173E2C7C3C6937D86E38C6B349D10B5BF3
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Original Note:
The comparative sizes of microscopic particles in that graphic is correct. Smoke particles are between 2.5 and 10 µm 90% of COVID RNA is found in particles <4.5 µm https://journals.ametsoc.org/view/journals/clim/35/13/JCLI-D-21-0754.1.xml Logically then, if a mask will not stop smoke particles, it will not stop the vast majority of viral aerosols.
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