Based on current evidence, face shields offer the least amount of protection from the spread of SARS-CoV-2 – the coronavirus that causes COVID-19. How so? Well, because physics!
It cannot be stressed enough, COVID-19 is airborne – it is mainly transmitted via aerosols that float in the air which can get around face shields. If you’re not wearing a mask, a face shield is useless and even gives you a false sense of security. Listen to the science: face shields alone will not protect you from COVID-19.
If you’re still not convinced, watch the video below to see how virus-carrying aerosols get around face shields and spread in the air:
So please, do everyone a favor by wearing mask – surgical masks are better if you can’t or don’t want to wear an N95 respirator.