A computer model deepens our understanding of airflow while wearing face masks, where particles land in the respiratory tract and the effectiveness of three-layer surgical masks. Even though it has ...

A new study examines the efficacy of particle filtration by woven fabric, which consists of fibers twisted together into yarns. There are, therefore, two lengthscales: the diameters of the fiber and ...

CHAPEL HILL, NC - It's been shown that when two people wearing masks interact, the chance of COVID-19 transmission is drastically reduced. This is why public health officials have pleaded for all ...

The U.S. Centers for Disease Control and Prevention this week offered new tips on how to make your mask more effective to protect against the spread of the coronavirus. The key, scientists said in a ...

Add Yahoo as a preferred source to see more of our stories on Google. When Aaron Collins sat down to talk, he’d just come from fitting workers at his child’s daycare with high-quality masks. He said ...

While there is scientific consensus that wearing masks helps limit the spread of COVID-19, there are unanswered questions about which masks are most effective. Now, a group of scientists released a ...

A simple trick can reveal whether your face mask offers sufficient protection: Try blowing out a candle while wearing it. A good mask should prevent you from extinguishing the flame. The rule isn't ...

Americans may soon be able to choose between two clearly labeled levels of face mask protection while browsing store shelves. The new national mask standard outlines minimum fit, design, performance ...

Let’s face it: Even as more people get vaccinated against Covid-19, everyone but small children will still need to wear a face mask for the foreseeable future. Sure, everyone is tired of wearing them.

WASHINGTON, December 15, 2020 -- Even though it has been widely known that wearing a face mask will help mitigate the community spread of COVID-19, less is known regarding the specific effectiveness ...