Face shields have been shown to reduce viral exposure by 96% when worn within 18 inches of a cough, and by 92% at the currently recommended 6 feet of social distancing, according to a recent editorial in the Journal of the American Medical Association. “Face shields may supplant these masks, eventually,” Adalja said.
In this manner, are face shields effective with masks?
Wearing a surgical mask along with a face shield affords health care professionals only statistically insignificant better protection against aerosolized particles than wearing a surgical mask alone, according a study in the American Journal of Infection Control (AJIC).
Considering this, do face shields work without a mask?
Face masks remain at the core of the CDC’s recommendations for protecting yourself and others against COVID-19. However, plastic face shields do not provide adequate protection from COVID-19 when used by themselves as an alternative to cloth face masks.
What material are face shields made of?
The face shield is typically made from PET, PET-G, acetate or polycarbonate sheets with a thickness of . 005” – . 010”. The head strap is typically elastic.