Specialists at Emory University Hospital in Atlanta have also found that the virus is present on a patient’s skin after symptoms develop, underlining how contagious the disease is once symptoms set in.

According to the C.D.C., the virus can survive for a few hours on dry surfaces like doorknobs and countertops and can survive for several days in puddles or other collections of body fluid. Bleach solutions can kill it. http://www.nytimes.com/interactive/2014/07/31/world/africa/ebola-virus-outbreak-qa.html?smid=tw-share&_r=0#doctors-without-borders