With coronavirus cases in nearly 50 countries, there’s never been a better time to brush up on one of the easiest ways to avoid the spread of infectious disease: being great at washing your hands: bit.ly/2PzvrSl
![Image](https://pbs.twimg.com/media/ESHRReAWkAQv2T1.jpg)
Masks are only useful if you have a respiratory infection already and want to limit the risk of spreading, or if you’re working in a hospital in direct contact with people who have respiratory illnesses. bit.ly/2PzvrSl
![Image](https://pbs.twimg.com/media/ESHR7qtW4AAx1jE.jpg)