Birdwatch Note Rating
2023-08-27 00:30:05 UTC - HELPFUL
Rated by Participant: 2AB55B896051E05540B486F88A9DCB4CA80BC691B5F2750B5A542FB7AB8AFF5F
Participant Details
Original Note:
There's never a naked virus floating around. Viruses attach to water droplets or aerosols generated by breathing, talking, coughing, etc. These consist of water, mucus protein and other biological material and are all larger than 1 micron. The N95 filter is around 0.3 micron https://www.usatoday.com/story/news/factcheck/2020/06/11/fact-check-n-95-filters-not-too-large-stop-covid-19-particles/5343537002/
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