Acute adverse events following immunization with DTP-HB-Hib pentavalent vaccine in the first year of life

Since November 2014, the pentavalent (Diptheria+Tetanus+Pertussis and Hepatitis B and Hib or DTP-HB- Hib) vaccine has been integrated into the Iranian national vaccination programme.

This research conducts a prospective study in Zahedan in the southeast of the Islamic Republic of Iran to determine the incidence of adverse events following immunization (AEFI) with the pentavalent vaccine in children aged under one year.