Birdwatch Note Rating
2023-08-27 02:46:34 UTC - HELPFUL
Rated by Participant: 4DE8F32B89A190C24A78C62ADC7234C81C6AB1374A999AA48B02039D765B6E6E
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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