Childhood vaccine rates are backsliding — and exemptions are getting easier
An NBC News data investigation finds that much of the U.S. currently doesn't have the protection needed to stop the spread of deadly diseases. St. Louis is a window into hurdles communities face nationwide.
An NBC News data investigation finds that much of the U.S. currently doesn't have the protection needed to stop the spread of deadly diseases. St. Louis is a window into hurdles communities face nationwide.
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