Face shields and masks with exhalation valves were found to be less effective at protecting others from the coronavirus than normal face coverings, according to a study on Tuesday. New research, ...

Can I use a face shield instead of a mask? No. Health officials don’t recommend the clear plastic barriers as a substitute for masks because of the lack of research on whether they keep an infected ...

LOS ANGELES (KABC) -- Face shields alone provide only minimal protection from coronavirus particles, UCLA researchers found, but combining shields with a mask can be fairly effective at blocking ...

While any face covering is better than nothing, clear plastic shields and masks with exhale valves allow large plumes of particles to escape and may also expose the wearer to more germs. By Tara ...

health officials say we should cover our faces during the Corona virus pandemic in a face off between masks and shields, which do health experts prefer. The Centers for Disease Control and Prevention ...