Does A Mask Still Protect You From Covid If No One Else Is Wearing One?

The Department of Justice has announced it will appeal a federal judge’s ruling to end the Biden administration’s mask mandate on public transportation after the CDC said the measure it still necessary to protect public health. Medical Director at South Miami Children’s Clinic, Dr. Tina Carroll-Scott, joins News NOW to explain whether a mask still protects against Covid-19 if no one else is wearing and how reversing the decision could impact immunocompromised people. » 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 news stories. NBC News Digital features NBCNews.com, MSNBC.com, TODAY.com, Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! NBC News App: https://smart.link/5d0cd9df61b80 Breaking News Alerts: https://link.nbcnews.com/join/5cj/breaking-news-signup?cid=sm_npd_nn_yt_bn-clip_190621 Visit NBCNews.Com: http://nbcnews.to/ReadNBC Find NBC News on Facebook: http://nbcnews.to/LikeNBC Follow NBC News on Twitter: http://nbcnews.to/FollowNBC #Coronavirus #Masks #Health

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