Soap, gloves, isolating patients, not reusing needles and quarantining the contacts of the ill - in theory it should be very easy to contain Ebola
I wouldn't be worried to sit next to someone with Ebola virus on the Tube as long as they don't vomit on you or something. This is an infection that requires very close contact.
In 1976 I discovered Ebola - now I fear an unimaginable tragedy