According to CDC and World Health Organization guidelines, only the sick, and their caretakers, should wear face masks. Here's why University of San Francisco research scientist Jeremy Howard thinks otherwise. Read more: [ Ссылка ]. Subscribe to The Washington Post on YouTube: [ Ссылка ]
Follow us:
Twitter: [ Ссылка ]
Instagram: [ Ссылка ]
Facebook: [ Ссылка ]
![](https://i.ytimg.com/vi/DA946qRocuY/maxresdefault.jpg)