premune

adj

1. (not-comparable)Immune to a disease through having had it before.

   “[…] take special precautions to protect the animals from those ordinary tropical protozoal diseases to which the indigenous cattle are premune.”

   “This was an investigation of the smallest protective dose of chloroquine amongst the premune Bantu in Tanganyika.”

   “It need not in fact be assumed that the premune state is implemented by immune mechanisms different from those induced by nonliving antigens.”