BUFFALO, N.Y. (AP) — College students from West Africa may be subject to extra health checks when they arrive to study in the United States as administrators try to insulate their campuses from the worst Ebola outbreak in history. Elsewhere, universities are drafting their own precautionary plans against the often-fatal hemorrhagic fever, which causes weakness, vomiting, diarrhea, internal bleeding and sometimes bleeding from the nose and ears. The roughly 30 Nigerian students expected at the University of Illinois will be pulled aside for a temperature check and private Ebola discussion when they arrive at the health center for mandatory immunization paperwork and tuberculosis screening, said Dr.