The Centers for Disease Control and Prevention revised its guidance for Americans on wearing masks to protect against COVID-19, recommending wearing 'the most protective mask' one can. #News #Reuters #CDC #coronavirus #masks #guidelines Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en