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Doctor insights on: Human Immunodeficiency Virus Symptoms

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Explan why one human immunodeficiency virus test cannot definitely diagnose hiv?

Explan why one human immunodeficiency virus test cannot definitely diagnose hiv?

Good question: The HIV test to which you refer is an elisa assay which is quite sensitive but not as specific as the confirmatory western blot. These measure the presence of antibodies to the HIV and these may take from 2 wks to several months to develop. If you run the test before the antibodies have appeared, it will be negative, only to change to positive once antibody formation has occurred. ...Read more

Dr. Janice Alexander
16 doctors shared insights

Hiv (Definition)

Hiv infection is caused by a retrovirus....This retrovirus binds to CD4 cells (for the most part). You may detect the virus by several different methods. An elisa test (enzyme linked immunosorbent assay). You may also detect it by doing a test referred to as a western blot (a gel protein electrophoresis). Thirdly by pcr (polymerase chain reaction) which ...Read more


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What symptoms are caused by the human immunodeficiency virus?

What symptoms are caused by the human immunodeficiency virus?

Many and few.: At the outset the patient infected may not even be aware of the presence of the virus, and this can persist until the immune system is badly damaged, and secondary infections or cancers occur (8-12 yrs). Sometimes, acute HIV syndrome will present as a mononucleosis-type illness with multiple symptoms. Best thing to do is get checked and tested if you feel you have been exposed. ...Read more

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Human immunodeficiency virus--can it mutate?

Human immunodeficiency virus--can it mutate?

Yes: Hiv mutates in response to HIV therapy. If you're being treated without a complete response (partial suppression), the virus can mutate so it can replicate in the presence of the drugs. This usually happens in people who don't take their medications properly. They can then transmit the mutant virus to others. Spontaneous mutation (mutation independent of therapy) has not been a big problem. ...Read more

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What causes the human immunodeficiency virus?

What causes the human immunodeficiency virus?

HIV: The obvious answer is that HIV causes it. But perhaps you meant "how do you get it?" you get HIV by having unsafe sex or by sharing needles/syringes by someone else who has it. ...Read more

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How did human immunodeficiency virus (hiv) evolve?

Evolution: It came from a simian precursor transmitted to humans by one of several mechanisms. This virus mutates continuously and the form to which it mutates which is best capable of surviving under the circumstances is the one which will be reproduced and multiply within infected cells. Unless of course you are a creationist. ...Read more

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What all is caused by the human immunodeficiency virus?

What all is caused by the human immunodeficiency virus?

HIV infection/AIDS: The HIV virus causes HIV infection and aids. There are many clinical manifestations of HIV infection and aids, which are too numerous to list here. ...Read more

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How is the human immunodeficiency virus (hiv) transmitted?

Sharing body fluids: Hiv is a sexually transmitted infection. It can also be spread by contact with infected blood, or from mother to child during pregnancy, childbirth or breast-feeding. It can take years before HIV weakens the immune system to the point that the patient has aids. There is no cure for hiv/aids, but there are medications that can dramatically slow the progression of the disease. ...Read more

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How to know if I have hiv's (human immunodeficiency virus)?

How to know if I have hiv's (human immunodeficiency virus)?

Get tested.: The only way to know if you have HIV is to get tested for hiv. Please visit with a clinic or doctor and have testing performed. The clinic or doctor will explain the results and be able to answer questions. To decrease risk, always use clean (single use) needles for injection drugs and always have 'safe' sex with a condom and spermicidal lubricant. Be well. ...Read more

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How is the human immunodeficiency virus (hiv) transmitted easiest?

How is the human immunodeficiency virus (hiv) transmitted easiest?

Blood: Tainted blood transfusions are the easiest way to become infected with hiv. In the developed world, all blood is screened for HIV and blood transfusions are safe. Other high risk activities include sharing needles for intravenous drug use with infected individuals and having unprotected receptive anal intercourse with an HIV infected person. ...Read more

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How has human immunodeficiency virus (hiv) evolved since late 1970s?

How has human immunodeficiency virus (hiv) evolved since late 1970s?

Probably not: The virus itself probably hasn't evolved much. What has evolved is our ability to treat it. Resistance mutations occur, but this sort of evolution affects individuals and sometimes the people they infect. It has not resulted in global evoluation of the virus. ...Read more

Dr. Ed Friedlander
1,417 doctors shared insights

Human Immunodeficiency Virus (Definition)

Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (aids), [1][2] a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections ...Read more


Dr. Dawn Sokol
132 doctors shared insights

Weak Immune System (Definition)

Weak immune system refers to a state where the body's ability to fight off infection is diminished. A person's immune system can be weakened by chronic disease, malnutrition, or congenital defects of ...Read more