T50.A21 - Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional) T50.A - Poisoning by, adverse effect of and underdosing of bacterial vaccines T50.A2 - Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis component T50.A21 - Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional)