[ Ссылка ]
Our infectious disease experts, Dr. Tom Talbot and Dr. William Schaffner, revisit the topic of masks as a tool to reduce the spread of COVID-19. Spoiler alert -- they still work.
![](https://i.ytimg.com/vi/oLkbaIBK-Jk/maxresdefault.jpg)
[ Ссылка ]
Our infectious disease experts, Dr. Tom Talbot and Dr. William Schaffner, revisit the topic of masks as a tool to reduce the spread of COVID-19. Spoiler alert -- they still work.