Which Behaviors Increase the Risk of Contracting HIV? Select All

Which behaviors increase the risk of contracting HIV? Select all that apply.

A) Having vaginal sex with an infected person
B) Shaking hands with an HIV positive person
C) Sharing infected needles
D) Breathing air when an infected person sneezes
E) Being in contact with the feces of an infected person
F) Cleaning up the vomit of an infected person