NIOSH Finds Evidence Supporting Universal Masking
While universal masking alone provided a reduced level of exposure to infectious particles, researchers with the National Institute for Occupational Safety and Health (NIOSH) found evidence supporting a layered approach—physical distancing, ventilation, and masking—to control the transmission of SARS-CoV-2, the virus that causes COVID-19. Results of a study out of NIOSH’s Health Effects Laboratory in […]