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Disturbing reemergence of whooping cough
NBC News Clone summarizes the latest on: Mmvo42766405687 - Breaking News | NBC News Clone. This article is rewritten and presented in a simplified tone for a better reader experience.
16 states are reporting an increase in cases of whooping cough, a disease that used to be a leading cause of childhood illness and death. NBC's Dr. Nancy Snyderman reports.
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