If someone wanted to deliberately spread the disease they should be pissing, coughing, and spitting on just about everything. Do this to people's car door handles, door knobs, trash cans, doors in restaurants, the floor in public places, railings on escalators, the conveyor belt in a grocery store, etc. and watch it spread like wild fire.
I mean if terrorists can recruit people to become suicide bombers why not get someone to infect themselves with Ebola, board a plane when showing no signs and fly to some first world country. Then when you start to show symptoms have at coating as many things a possible in an area with your fluids. Then before you die go rent a car and drive somewhere else very remote (ex. the north woods of Minnesota) and die. This way people who catch it from you aren't on the lookout for Ebola and hopefully can spread it some more before it gets identified.
And that is how you could deliberately create a mass panic in a first world country with Ebola as well as probably getting better results than a simple suicide bomb.