In this Tuesday, January 28, 2020, file photo, a worker wearing a face mask sprays disinfectant along a path in Wuhan in central China's Hubei Province. Face masks are in short supply in parts of the world as people try to stop the spread of a new virus from China. Health officials recommend strap-on medical masks for people being evaluated for the new virus, their household members and caregivers. (Photo by Arek Rataj/AP Photo/File)
