Definitions for "Sexually transmitted infection"
a sexually transmitted infection (also known as an STD) is spread through sexual contact, either through bodily fluids, blood or skin to skin contact. Some are treatable and others are not.
Infection spread through sexual intercourse or intimate sexual contact.
Disease resulting from bacteria or viruses and often acquired through sexual contact. Some STIs can also be acquired in other ways (i.e. blood transfusions, intravenous drug use, mother-to-child transmission0. The term 'STI' is slowly replacing 'STD' (sexually transmitted disease) in order to include HIV infection.