Quote Originally Posted by Yora View Post
Q157: Are there any restrictions regarding diseases affecting outsiders? Daemons are the only one who have special immunite against disease mentioned, while immunity or resistance against poison is very common, amd even elementals lack such a thing and they are immune against pretty much everything.
Having an avoral sick of malaria seems a rather odd image to me.
A157

If Daemons have to specify they are immune to diseases, then it is in all likelyhood not a universal outsider trait. This is further enforced by the fact that disease immunity is not found in the outsider entry.