The best coronavirus mask to wear when leaving the home

Face masks have become a necessity in public life so all Americans can protect themselves and prevent the spread of the coronavirus, but medical masks can be hard to come by.

Why it matters: Some states and businesses are requiring patrons to wear some type of protective facial gear in order to enter establishments or be in public. Global mask shortages have made it difficult for even health care workers and essential workers to properly protect themselves in riskier environments.

Reality check: These masks will only protect if worn properly over the nose. The masks are not effective substitutes for handwashing or social distancing, and should be disinfected regularly or laundered for reuse. Here's what you need to know: