Measles cases explode amid declining vaccination rates
· nbcnews.com · popularity 40/100 · 0 similar stories today · Public Health & Epidemiology (Health & Life Sciences)

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Summary
NBC News’ Erin McLaughlin traveled to Lancaster County, Pennsylvania, which is the epicenter of a deadly measles outbreak. The investigative report for the NBC News series “The Vaccine Divide” finds 75% of U.S. counties have vaccination rates that are now below the level needed for herd immunity.
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