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Whooping cough infections spike as vaccination rates drop
Catch up with NBC News Clone on today's hot topic: Mmvo238123589553 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
The U.S. has reported more than 8,000 cases of whooping cough cases this year, more than double from this time last year. NBC News’ Sam Brock looks at the surge in this contagious bacterial infection that spreads through droplets.
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