Birdwatch Note Rating
2023-08-22 10:05:00 UTC - NOT_HELPFUL
Rated by Participant: 59BC6C9E739A61954F7A0C38051BDE16C2C33128B2B66DB12F43225E5A60C9AC
Participant Details
Original Note:
Viruses don't float in the air on their own, they're attached to tiny water droplets called aerosols (from coughing and breathing). These are ~1µm in size. A good N95 mask is designed for particles between 0.1 and 0.3µm, so masks are very effective at capturing airborne viruses 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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