Hosted on MSN

How well do face masks protect against COVID-19?

The virus that causes COVID-19 spreads mainly through the air when a person coughs, sneezes, sings, talks or breathes. Virus particles can drift in the air and be inhaled, especially in crowded places ...
WTEN

As wildfires burn in LA, what to know about protective masks

(NewsNation) — Los Angeles County residents affected by the wildfires that began burning this week are advised to wear the correct masks to protect themselves against harmful smoke. Health experts ...