Social Distancing Guidelines Avoid groups of 10 or more (90% reduction if done 2 weeks earlier) (12 h 16 mar 2020 año – 1 ene 0 año)

Descripción:

https://www.whitehouse.gov/briefings-statements/coronavirus-guidelines-america/

https://www.nytimes.com/2020/04/14/opinion/covid-social-distancing.html

Añadido al timeline:

fecha: