The message from Dr. Deborah Birx, the White House coronavirus task force coordinator, could not have been any clearer. Wearing a face mask is critical to reducing the spread of coronavirus, especially since many carriers don't even know they're contagious, she said yesterday.
원문출처 : https://www.cnn.com/2020/05/25/world/coronavirus-newsletter-05-25-20/index.html
원문출처 : https://www.cnn.com/2020/05/25/world/coronavirus-newsletter-05-25-20/index.html