username3859374
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I can't get a straight answer from google and I'm trying to write a biology essay that's titled "Causes of disease in humans"
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Andrew002
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(Original post by libertykamp)
I can't get a straight answer from google and I'm trying to write a biology essay that's titled "Causes of disease in humans"
HIV is the infection - the virus. AIDS is the disease caused by unmanaged HIV infection.
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username3859374
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(Original post by TRAnders)
HIV is the infection - the virus. AIDS is the disease caused by unmanaged HIV infection.
Isn't AIDS a syndrome not a disease?
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Joleee
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you couldn't get a straight answer? here you go.
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username1221160
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Yes, it is a disease.
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Scottish15
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HIV/AIDS is a disease.
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OxFossil
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(Original post by libertykamp)
Isn't AIDS a syndrome not a disease?
HIV is the name of the Human Immunodeficiency Virus, just as Homo sapiens is the name of the human species.

When infected by HIV, the body can respond in a number of ways. In some cases, the infection is completely suppressed, just as sometimes, we can get infected by a flu virus and never even know we had it - our immune system clears it spontaneously.

Sometimes, the infection takes hold and produces various signs of damage to our systems.

There are a number of possible diagnoses that we can have as a result of HIV infection, but by far the best known is called Acquired Immune Deficiency Syndrome - AIDS. You are diagnosed as having AIDS when you have HIV infection, plus a variety of "AIDS defining conditions", such as:

- Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
- Coccidioidomycosis, disseminated or extrapulmonary
- Cryptosporidiosis, chronic intestinal (greater than one month's duration)
- Cytomegalovirus retinitis (with loss of vision)......

(....the list goes on)

So HIV is the causative agent for a number of diseases, but is not a disease in itself. AIDS is called a syndrome because it presents as a collection of different signs and symptoms; the underlying cause is infection with HIV, which triggers or causes other infections or disease processes to take hold.
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