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Chlamydia

Chlamydia trachomatis is a bacterium that can cause a sexually transmitted infection (STI). Chlamydia infection is very common among young adults and teenagers. However, many people do not know that they have Chlamydia, because although they are infected, they may not have any symptoms. About 75% of infected women and half of infected men have no symptoms of Chlamydia

Gonorrhea

Gonorrhea is an infection caused by the bacteria Neisseria gonorrhoeae. Gonorrhea can lead to infection of the urethra, cervix, rectum, and throat. However, many people do not know they have gonorrhea, because although they are infected, they do not have any symptoms.

Hepatitis B

Hepatitis B is an inflammation of the liver and is caused by the Hepatitis B virus (HBV). Hepatitis B is the only sexually transmitted infection that could be prevented by a highly effective vaccine. Several vaccines have been developed for the prevention of hepatitis B virus infection. The vaccine is secure and vaccination of newborns and adults at high risk for hepatitis B has reduced the risk of infection. Hepatitis B virus infection may either be acute (self-limited) or chronic (more than 6 months).

Hepatitis C

Hepatitis C is a serious liver disease that is caused by the hepatitis C virus (HCV). HCV is primarily transmitted through contact with infected blood, and also through sexual contact. HCV directly attacks the liver and can lead to liver damage and in some cases death. Hepatitis C was formerly known as non-A non-B hepatitis.

Herpes

Is a sexually transmitted disease and she’s all over town. Herpes is a common, recurrent infection caused by the herpes simplex virus (HSV), of which there are two subtypes: HSV-1 and HSV-2. Both HSV-1 and HSV-2 can cause blisters and ulcers on the mouth, face and genitals, or around the anus. Once a person is infected with herpes, he or she remains infected for life. However, the virus often remains "latent" and does not cause symptoms for long periods of time.

HIV

Human immunodeficiency virus (HIV) is a virus that causes acquired immunodeficiency syndrome (AIDS), a condition in humans in which the immune system begins to fail, leading to life-threatening opportunistic infections. HIV primarily infects vital cells in the human immune system specifically known as CD4+ T cells leading to low levels of these. When CD4+ T cell numbers decline below a critical level; the body becomes progressively more susceptible to opportunistic infections (OI's). If untreated, eventually most HIV-infected individuals develop AIDS (Acquired Immunodeficiency Syndrome).

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Disclaimer

This site contains HIV prevention messages that may not be appropriate for all audiences. Since HIV infection is spread primarily through sexual practices or by sharing needles, prevention messages and programs may address these topics. If you are not seeking such information or may be offended by such materials, please exit this website. HAF receives funding from a variety of public and private sources.  The views and /or opinions herein contained are sole those of HAF and do not necessarily represent the views and/or opinions of the funding sources.