Sunday, July 29, 2012

Recent research shows outbreaks of whooping cough (pertussis) are actually related to the pertussis vaccine itself. Eighty-one percent of 2010 California whooping cough cases in children under 18 occurred in those fully up to date on the whooping cough vaccine. Only eight percent of those stricken were unvaccinated. According to the authors, attack rates markedly increased three years after receiving the vaccine


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