“This simulation indicates that surgical masks worn by all are more likely to provide significant protection to uninfected participants in indoor conversations,” Dr. Chopra said. “The role of the face shields in preventing transmission is not supported, and if transmission via the eyes is felt to be a significant factor, such as with health care workers and dentists and dental technicians, goggles might provide better protection than a face shield.”<ref>[Plastic face shields add little protection to face masks, study finds]</ref>}} | “This simulation indicates that surgical masks worn by all are more likely to provide significant protection to uninfected participants in indoor conversations,” Dr. Chopra said. “The role of the face shields in preventing transmission is not supported, and if transmission via the eyes is felt to be a significant factor, such as with health care workers and dentists and dental technicians, goggles might provide better protection than a face shield.”<ref>[Plastic face shields add little protection to face masks, study finds]</ref>}} |