(AGI) Accra, July 7 - The first case of the Ebola virus hasoccured in Ghana. An American has been quarantined in Nyahohospital in the capital of Accra, reported the Ministry ofHealth on Monday. It urged people to remain calm. The man hadvisited Guinea and Sierra Leone. There have been 413 suspectedcases in Guinea and 303 deaths. In Liberia there have been 107cases with 65 people dying. Sierra Leone has had 239 cases with99 deaths. . .