Masks may also help lower the risk of individuals catching the virus through the droplets from another person’s sneeze or a cough – and people can be taught how put masks on and take them off correctly, they argue.
Meanwhile, residents in Laredo, Texas will now face a $1,000 (£816) fine if they fail to cover their noses and mouths while outside, after city officials issued an emergency ordinance to its approximately 250,000 residents this week.