[bgill]

Notice that picture (getty so can't post) with the caption that the doctors are wearing masks and warning signs has what appears to be a missionary worker (cross on t-shirt) without a mask, gloves or anything. I seriously doubt that a nose and mouth mask would stop ebola from a sneeze, cough or spewing vomit. Maybe it's just me, but it doesn't instill much confidence in them containing the virus.

[Black Agnes]

Droplet distance is ~3ft.

Aerosol is another matter.