Cloth masks provide less protection. The CDC says that surgical N95 masks should be reserved for health care professionals.

with N95 masks as the most effective. KF94, KN95, double masks and fitted surgical masks are in the second tier: “more effective”. Surgical masks are at third and cloth masks with three or ...

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N95 masks can be used safely and effectively by ordinary citizens on a daily basis to fight air pollution. They are also good for industrial workers and other persons who are revealing themselves ...

They determined that: N95 respiratory masks should not be universally recommended for all airborne pathogens. Surgical masks are sufficient for common respiratory pathogens that spread over short ...

Combine two surgical masks as they are not designed to fit tightly. Combine a N95 mask with any other mask. N95 masks offer 95% effectiveness already, along with a snug fit, so you should not ...

To a question about voluntary use of N95 respirators by healthcare staff ... all the firefighters that they should start using surgical masks for wildfire smoke? [Or] to the lab workers that ...