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

The lab has halted almost all of its regular work and is preparing to shut down in June. That’s because of the most recent ...

Most Americans learned what an N95 mask was during the COVID-19 pandemic. But what many still don’t know is that every one of ...

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

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

Amid the recent measles outbreaks, the CDC said people should take precautions if they haven't been vaccinated.

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

If you woke up this morning and noticed the skyline looking hazy and the air a little harsher on the lungs, you're not imagining things. A major air quality advisory is in effect today across all five ...

Coachella has evolved into a cultural spectacle — where music, fashion and social media collide in the middle of the desert.