A PLOS ONE study tested the real-world filtration efficiency of cloth masks, medical masks, and respirators, revealing large ...

Health care workers know from experience that only organizing will lead to enforceable standards and better conditions.

The K9 Mask was a popular product featured on "Shark Tank", promising filtration from common pollutants. However, is this ...

State health officials urge the public to take precautions as volcanic gas emissions — and volcanic smog known as vog — ...

after the company sold the Zephyr mask as an N95-equivalent mask. N95 masks are designed to have a tight fit to the user's face and efficient filtration of airborne particles. Since it is a ...

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Public Health Ontario reports 925 measles cases in the province, more than five times the number of cases than total number ...