Cocooning ineffective against pertussis

The cocooning approach of vaccinating new parents against pertussis does not protect infants against the infection, according to an analysis of the WA strategy of 2011/12.

Pertussis rates were not significantly reduced in infants of parents who had vaccination with dTpa during the first four weeks after delivery, shows a study carried out by WA Department of Health and the University of WA during a period of high pertussis infection rates.

The researchers say 100% cocooning is difficult to achieve and infants may have been exposed to the highly contagious infection from siblings or

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