The flu virus is very good at getting you to spread your bodily fluids all over the place: it makes you cough violently. The droplets are also invisible, so it'

The flu virus is very good at getting you to spread your bodily fluids all over the place: it makes you cough violently. The droplets are also invisible, so it's easy for others to touch them without knowing. Ebola has many symptoms, but coughing isn't one of them. By the time you start coughing up blood, most people in the developed world will know better than to touch that blood.