Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Receber premium

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

12 h 28 fev 2020 ano - CDC Doesn't make recommendations about masks, crowds, etc

Descrição:

https://www.cdc.gov/media/releases/2020/t0228-COVID-19-update.html

Adicionado na linha do tempo:

Nathan Rich: COVID-19 in the USA

28 abr 2022

20

2

23653

Data:

12 h 28 fev 2020 ano

Agora

~ 5 years and 7 months ago

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate