Coronavirus: Face shields offer less protection for others than regular masks, study finds
September 02 2020, 08:00
Both face shields and masks with exhalation valves were found to be less effective at protecting others from the virus, according to a study on Tuesday.
Both face shields and masks with exhalation valves were found to be less effective at protecting others from the virus, according to a study on Tuesday.
Source:
FOX News