Originally Posted By: Lilith
It's called terrorism because the aim is to scare people, not kill them. If you get a major public institution quarantined so that it can't do business for days or weeks, you've achieved your goal pretty well. Killing a bunch of people 5 years from now isn't necessarily going to be a lot of use to you compared to killing a few, making a few more sick and making absolutely everyone panic.
But What causes more terror than killing many, What would scare you more a disease that could have a small chance of killing you or one that has a large chance of killing you?