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A comment on Ask HN: How do surgical masks filter airborne viruses?. Parent comment

Re:Ask HN: How do surgical masks filter airborne viruses? by teapot01 on Wednesday January 29, 2020 @07:06AM (#22179615)
CDC recommends P95 for health care providers. I seriously doubt they are not effective. I’m sure P100 is marginally more effective but on marginally.

https://www.cdc.gov/coronavirus/2019-nCoV/hcp/infection-cont...

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