People who have or may recently have contracted a sexually transmitted disease such as HIV or syphilis, which can be passed on to a patient through their blood.
People whose lifestyle puts them at increased risk of contracting an infection that can be transmitted through their blood: for example, if they have had more than one sexual partner in the past six months, or if they have had sexual contact with someone whose sexual background is unknown to them.
People who have ever injected themselves with drugs.
People who want to have an AIDS test.








