What U.S. Health Care Workers

Need to Fight Coronavirus

With respirator masks in short supply across the country, the C.D.C. recently updated its recommendations for health care workers. If respirators are not available, the agency says standard medical masks can be used instead for most coronavirus patient care. These looser-fitting masks protect against droplet transmission from coughs and sneezes, but do not filter out airborne pathogens. [...]

Disponível em: <https://www.nytimes.com/interactive/2020/03/11/us/virus-health-workers.html> . Acesso em: 21 mar. 2020. (Adaptado).   

O termo sublinhado (droplet) significa