Severe Pertussis in Newborns and Young Vulnerable Infants.

A retrospective chart review of 18 nonvaccinated newborns and infants admitted to 6 intensive care units in the north of Portugal between 2007 and 2012 revealed a high rate of admissions in 2012 along with significant rates of severe pulmonary hypertension and mortality. Hyperleukocytosis was significantly associated with a more severe clinical picture and mortality.

Authors:Rocha GFlôr-de-Lima FSoares PSoares HPissarra SProença EFernandes PQuintas CMartins TSilva AGuimarães H.

Journal:Pediatr Infect Dis J. 2013