- Whooping cough vaccine less effective because bacteria is mutating, study suggests https://www.nbcnews.com/health/kids-health/whooping-cough-vaccine-less-effective-because-bacteria-mutating-study-suggests-n982816 15 comments science
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- Whooping cough surging in some countries. Why you may need a booster. https://www.nbcnews.com/health/health-news/whooping-cough-surging-countries-may-need-booster-rcna147848 7 comments
- Whooping cough cases spiking, especially among unvaccinated teens https://www.nbcnews.com/health/health-news/whooping-cough-spike-unvaccinated-teens-rcna171781 2 comments
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