Case: A condition, such as chlamydia infection (i.e., an chlamydia case) or AIDS (i.e., an AIDS case), diagnosed according to a standard case definition.

Chlamydia Infection: Caused by the bacterium chlamydia trachomatis, is the most commonly reported, notifiable sexually transmitted disease (STD) in the United States and the most prevalent, reportable STD in Oklahoma.

Mode of Transmission: Contact with a source of a disease agent in such a manner that effective transmission of the agent may occur. The exposure mode indicates which risk behavior had the highest probability of being the route of infection.

HIV Diagnosis Human Immunodeficiency Virus (HIV) is the virus which causes AIDS. HIV is a virus that kills the body’s CD4 cells. CD4 cells help a body fight off infection and disease.

Following is a description of the transmission categories:

Gonorrhea Infection: Caused by Neisseria gonorrhea, a bacterium that can grow and multiply in warm, moist areas of the reproductive tract, mouth, throat, eyes, and anus.

Primary and Secondary Syphilis: A genital, ulcerative sexually trans-mitted disease caused by the bacterium Treponema pallidum.

Race: A sociological designation, identifying a class sharing some outward physical characteristics and some commonalities of culture and history. In this document, race is categorized as White—Non Hispanic, Black—Non Hispanic, American Indian/Alaska Native—Non Hispanic, Asian/Pacific Islander—Non Hispanic, Multiple Races (Two or More Races)—Non Hispanic, Unknown—Non Hispanic, or Hispanic—All Races. All persons with Hispanic ethnicity, regardless of race, are categorized as Hispanic (e.g., If a person is reported as Black and Hispanic, they are analyzed as Hispanic).