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Seattle & King County
999 3rd Ave, Ste. 1200
Seattle, WA 98104

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Home » HIV/AIDS » Health Educators Toolbox » HIV Background Booklet » Progression

HIV/AIDS Program
What happens to me when I have HIV?

> Disease progression

HIV is a "spectrum" illness: all who are infected have the same viral disease, but there are many different stages to it. AIDS is the name given only to the late and most serious stage of HIV disease. If left untreated, most of those who are infected generally gradually progress along the spectrum toward AIDS.

  • Exposed:
    The person actually encounters HIV from sex, a dirty needle, on their mucous membranes, from a contaminated transfusion of blood or infected organ transplant, or a child is born to an infected mother. Except when someone gets an infected unit of blood or organ, most exposures don't result in HIV infection.

  • Infection:
    Person becomes infected with HIV. Once infected, always infected.

  • Primary Infection/Antibody development:
    Many Some people have no obvious symptoms immediately following HIV infection. However, within three to six weeks after infection, approximately 50-70% of persons develop acute HIV syndrome. The symptoms of HIV syndrome last for about one a week or two and generally include fever, sore throat, tiredness, loss of appetite, nausea, vomiting, and diarrhea. Individuals who experience these symptoms may be unaware that they have HIV because these symptoms are commonly associated with influenza (the "flu"). Around this time, the immune system will begin to fight against the virus and the infected person will develop HIV antibodies, and the symptoms, if any, gradually subside.

  • Asymptomatic Period:
    Most people do not experience many symptoms of HIV infection for up to 8-10 years (even longer with effective treatment).
    NOTE: Even without symptoms, a person continues to be infected and will still test positive on an HIV antibody test and can still transmit the virus.

  • Symptomatic HIV:
    Some persons will experience a continuing series of non-life-threatening symptoms (rashes, fungal infections, diarrhea) as the virus gradually weakens their immune system.

  • AIDS:
    By the time a diagnosis of AIDS is made (an average of 8 to 12 years after HIV infection--longer with treatment), HIV will already have seriously damaged the body's immune system. Often, a person with an AIDS diagnosis will already have had a life-threatening infection or cancer.

The spectrum of HIV

more info

Questions & Answers About HIV and AIDS
(PDF)

vein card flyerThis updated brochure has info about HIV transmission, testing and treatment.

questionsSTD Fact Sheets Detailed summaries about chlamydia, herpes, gonorrhea, syphilis, and more.

GLBT Health Webpages rainbow flag
These web pages address the health concerns of gay, lesbian, bisexual, and transgender people, also known as "GLBT" people and "sexual minorities."

Updated: Wednesday, November 19, 2003 at 01:38 PM

All information is general in nature and is not intended to be used as a substitute for appropriate professional advice. For more information please call 206-296-4600 (voice) or 206-296-4631 (TTY Relay service). Mailing address: ATTN: Communications Team, Public Health - Seattle & King County, 999 3rd Ave., Suite 1200, Seattle, WA 98104 or click here to email us.

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