CONAKRY, Guinea — Eight months into West Africa’s Ebola outbreak, aid efforts in Guinea still suffer from poor coordination, hampering deployments of international support to help quell a virus that has killed more than 1,200 people in the former French colony, officials and medical aid providers say. Aid workers hope his visit also inspires increased coordination in the Ebola fight. A frenzied public reaction — widened by fears of infection following the evacuation of patients to the U.S.