Data investigation: Childhood vaccination rates are backsliding across the U.S.(nbcnews.com)
nbcnews.com
Data investigation: Childhood vaccination rates are backsliding across the U.S.
https://www.nbcnews.com/health/health-news/data-investigation-childhood-vaccination-rates-are-backsliding-us-rcna228876
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"Among the states collecting data for the measles-mumps-rubella (MMR) vaccine, 68% of counties and jurisdictions now have immunization rates below 95% — the level of herd immunity doctors say is needed to protect against an outbreak."