Masks Work. Really. Weâll Show You How
Sección: Noticias Machadines
Creado: 04-11-20 (Actualizado: 05-11-20)
A visual journey through the microscopic world of the coronavirus shows how masks provide an important defense against transmission.
https://www.nytimes.com/interactive/2020/10/30/science/wear-mask-covid-particles-ul.html