21.5 Sexually Transmitted Diseases
Terms
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- acquired immunodeficiency syndrome (AIDS)
- a group of related retroviruses known as HIV
- Phases of an HIV infection...
-
1. category a: acute phase
2. category b: chronic phase
3. category c: AIDS - category a: acute phase
- t lymphocyte count is 500 per mm3 or greater
- category b: chronic phase
- several years after infection; CD4 T cell cout is 200 - 499 per mm3
- category c: AIDS
- CD4 T cell count has fallen below 200 per mm3, and the lymph nodes have degenerated
- opportunistic infection
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1. pneumonia
2. mycobacterium tuberculosis
3. toxoplasmic encephalitis
4. kaposi sarcoma
5. invasive cervical cancer - treatments for HIV
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1. drug therapy
2. vaccines - genital herpes
- tingling or itching sensaion before blisters appear at the infected site; 2-20 days
- genital warts
- warts
- hepatitis infections
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1. hepatitis b
2. chlamydia