Birdwatch Note Rating
2023-08-23 19:39:53 UTC - HELPFUL
Rated by Participant: 9E327480389675642E02354D4050B13CC7A4A504F933F720C5AFF5B9E5B9EDA2
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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