SAN FRANCISCO (KGO) -- As multiple large wildfires rage in the Bay Area, we now need to mask up for another reason. Air quality in parts of the Bay Area was the worst in the world Wednesday, with much ...

You might not know it, but the N95 respirator actually has a close cousin. One variation of the mask has an exhalation valve right in front of the mouth. It’s a one-way trip for airflow. When you ...

The Delta variant has become the dominant strain of COVID, now accounting for more than 93% of all cases in the U.S., mostly among the unvaccinated population. The Centers for Disease Control and ...

WASHINGTON, November 10, 2020 -- If you have seen someone wandering around the grocery store or elsewhere with a mask with a valve on it and wondered how safe it is for you, you were right to be ...

The N95 masks are becoming more and more limited, which would be risky for people in the frontline of it all. Several states in the United States require their citizens always to wear masks at all ...

Not all N95 masks are effective in defending against the coronavirus. Face masks with exhalation valves, instead of blocking particles that could spread COVID-19, actually allow the wearer’s germs to ...

Forbes contributors publish independent expert analyses and insights. I write about the brain and the body but sometimes other things. New videos show how the N95 masks with an exhalation valve ...

Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of masks ...

When it comes to face masks, not all are equally effective, a new study finds. Duke University researchers developed a way of testing various types of masks to see which did the best job of stopping ...

Our current environment has introduced the need for face masks and respirators in non-traditional industries. As retailers, corporations, industrial operations and construction sites re-open, safety ...

The Delta variant has become the dominant strain of COVID, now accounting for more than 93% of all cases in the U.S., mostly among the unvaccinated population. The Centers for Disease Control and ...