Infanrix Penta er kontraindiceret, hvis spædbarnet har haft encephalopati af ukendt ætiologi, opstået indenfor 7 dage efter tidligere vaccination med en pertussisholdig vaccine.
Infanrix Penta is contraindicated if the infant has experienced an encephalopathy of unknown aetiology, occurring within 7 days following previous vaccination with pertussis containing vaccine.