Birdwatch Note Rating
2023-09-27 13:51:15 UTC - HELPFUL
Rated by Participant: 6B85406DF1B15420A3ED32DDF43AA5BB4375F357CC5490FC063BF4CA203B40A9
Participant Details
Original Note:
Even more efficient N95 masks only filter particles, including viruses, not small molecules like aqueous vapour and gases, such as oxygen or carbon dioxide. They are called respirators for this reason, they retain particles but you can still breathe. https://www.fda.gov/medical-devices/personal-protective-equipment-infection-control/n95-respirators-surgical-masks-face-masks-and-barrier-face-coverings https://en.wikipedia.org/wiki/N95_respirator
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