Scientists use model to predict number of Ebola-infected travelers leaving West Africa . The CDC says the virus is not airborne, but it has spread through direct contact with bodily fluids and by touching surfaces such as doorknobs or car seats. Majority of people flying out of affected countries are going to low- or middle-income nations .
Scientists use model to predict number of Ebola-infected travelers leaving West Africa . Up to three people with the deadly virus might travel internationally each month . Majority of people flying out of affected countries are going to low- or middle-income nations .