31.   The virus is passed through contact with bodily fluids, causing fever, diarrhea, vomiting and heavy bleeding.

32.   The virus is passed through contact with bodily fluids, but is not airborne.

33.   In two of the cases the virus was passed simply by contact with damaged skin, according to the study.

34.   There is no certainty as to how the virus is passed from mother to child.

35.   Specialists say the virus may be passed through the placenta through which the mother feeds her unborn child.