Figure 2From: Protecting newborns from pertussis – the challenge of complete cocooning Pertussis immunization recommendation and immunization status in 1761 parents. aUnknown in 2/1 mothers (2012/2013) and 3/4 fathers (2012/2013). bAccording to Swiss immunization guidelines defined as last dose <10 years ago, except for mothers, for whom the interval was reduced to <5 years in 2013.Back to article page