12 h, nov 10, 2020 y - CDC Admits Masks "protect both the wearers and those around them"
Description:
https://www.cnn.com/2020/11/10/health/masks-cdc-updated-guidance/index.htmlAdded to timeline:
Date:
12 h, nov 10, 2020 y
Now
~ 4 years and 10 months ago