evidence: Finally, we should use our present vaccines in the best possible way. In many countries, DTwP vaccines are still used and their continued use should be supported. What should be encouraged in these countries is the use of Tdap in pregnant women as this can prevent most pertussis-related deaths in young infants [54, 92]. [...] Heininger U, Kleemann WJ, Cherry JD, Sudden Infant Death Syndrome Study Group. A controlled study of the relationship between Bordetella pertussis infections and sudden unexpected deaths among German infants. Pediatrics. 2004;114:e9–15.