8. (For the next statements, tell me if you think it is very likely, somewhat likely, somewhat unlikely, very unlikely, definitely not possible, or if you don't know how likely it is that a person will get the AIDS virus infection that way.)
(Now look at Card B.) In general, how likely do you think it is that a person will get the AIDS or the AIDS virus from --
a. getting a blood transfusion, that is, receiving blood donated by someone else?
How likely do you think it is that a person will get AIDS or the AIDS virus infection from...