Birdwatch Note Rating
2023-08-23 17:53:15 UTC - HELPFUL
Rated by Participant: 5D86D7C6234D7CD4C5437E9667DE66B58F24E7560A93C6577687284E0EAC1520
Participant Details
Original Note:
An N95 Mask is effective at filtering 95% of airborne particles larger than 0.3 microns in diameter. All of the objects pictured are either the same size or much larger than this. COVID is transmitted by sneezing & coughing, those droplets are typically 5 microns or larger. https://filti.com/mask-ratings-particle-sizes/
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