An outbreak of Ebola in Africa has health officials worried. Since February, almost 900 people have died in four west African countries. Two medical workers infected with Ebola have been brought to the United States for treatment amid concerns that Ebola could break out in the U.S.To learn more about Ebola and what risks people in Michigan should concern themselves with, Current State talks with Dr. Eden Wells, a clinical associate professor of epidemiology and director of the preventative medicine residency at the University of Michigan School of Public Health.