[Pertussis in children with incomplete active immunization].

Introduction: In recent years, a significant increase in the incidence of pertussis among children has been observed both in Ukraine and worldwide. Infants who were partially vaccinated or children who became ill in a short time after complete active immunization with primary vaccination complex against pertussis are more often referred to our clinic with the diagnosis of "pertussis".

The Aim: The clinical peculiarities of pertussis study in partially vaccinated infants and infants who are in the process of vaccination against pertussis.