Health Care Workers In Midwestern Hotspots Say Mask Is ‘Most Important Tool’ Against Covid-19
NBC News’ speaks to health care workers in midwestern hotspots about staying safe as coronavirus cases surge across the country. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging>>>