12 h 28 mar 2020 año - CDC: "You do not need to wear a facemask unless you are caring for someone who is sick (and they are not able to wear a facemask)."
Descripción:
https://web.archive.org/web/20200328172009/https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/prevention.htmlAñadido al timeline:
fecha:
12 h 28 mar 2020 año
Ahora mismo
~ 5 years and 6 months ago