Uptick in Whooping Cough Linked to Subpar Vaccines - ScienceNOW - 0 views
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vaccinemakers have introduced newer, "acellular" vaccines that consist of refined pertussis proteins that provide immunity against disease without severe side effects.
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Children who had received only the acellular vaccine were more than 5.6 times more likely to get sick than those who received the old, whole-cell vaccine, the team will report next month in Pediatrics. Those receiving one or more of each type had an intermediate risk.
