The CDC says Ebola spreads through saliva, semen, blood, feces and mucus from people who are already showing symptoms, unlike the airborne transmission of other viruses. Frieden:
Ebola doesn’t spread before someone gets sick. Ebola does not spread … from someone who doesn’t have fever and other symptoms.
Symptoms generally occur abruptly eight to 10 days after infection, though it can range from two to 21 days. The virus can continue to spread after a patient dies. CDC’s Division of Global Migration and Quarantine director Dr. Marty Cetron:
There needs to be direct contact frequently with body fluids or blood.