Abbreviation:<unk> 
Most common STI in US.
Over 200<unk>  types, with 40 that infect the genital mucosa 
Associated with cervical, vulvar, penile, anal and oropharyngeal cancer.
Vaccine available for adolescents 11 and older, and immunocompromised patients.
Highest risk: 16, 18, 31, 45
Other high-risk: 33, 35, 39, 51, 52, 56, 58, 59
Probably high-risk: 26, 53, 66, 68, 73, 82
Human papillomavirus
Chancroid
Cytomegalovirus
Chlamydia trachomatis
Herpes B virus
Granuloma inguinale
Parvovirus B19
Hepatitis B