NIAID Study Validates 3 Decontamination Methods for Re-Use of N95 Respirators

N95 respirators can be decontaminated effectively and maintain functional integrity for up to three uses, according to NIAID scientists who conducted their study in a controlled laboratory setting. N95 respirators are designed for single-use and are worn by healthcare providers to reduce exposure to airborne infectious agents, including the virus that causes COVID-19. The study evaluated four decontamination methods and the authors concluded that vaporized hydrogen peroxide, ultraviolet light and 70-degree Celsius dry heat can be effective. The authors urge anyone decontaminating an N95 respirator to check the fit and seal over the face before each re-use. The results were posted to Medrxiv prior to peer-review to assist the public health response to COVID-19.