They tell us that Ebola can be spread only by direct contact. But what does direct contact mean? Not what you think:
Ebola can live outside of the body — on surfaces like countertops or doorknobs, for example — for several hours. In bodily fluids like blood, on the other hand, the virus can survive outside of the body for several days at room temperature.
Several days at room temperature. So, in medical terms, direct contact can seem a lot like what laymen might think is indirect contact. Read the whole linked article.