How Covid Vaccine Hesitancy Impacts Herd Immunity [8ztCkyTUoFn]

More than half of adults in the U.S. have had at least one dose of a Covid-19 vaccine, but health experts warn that vaccine hesitancy is slowing down the chances of reaching herd immunity. Epidemiologist at the University of Pennsylvania School of Nursing, Dr. Melanie Kornides, joins News NOW to discuss what causes vaccine hesitancy among some Americans and whether it poses a risk to the country’s overall public health. » Subscribe to NBC News: » Watch more NBC video: 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: Breaking News Alerts: Visit NBCNews.Com: Find NBC News on Facebook: Follow NBC News on Twitter: #HerdImmunity #Pandemic #Covid How Covid Vaccine Hesitancy Impacts Herd Immunity

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