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Doctor insights on: Hiv Virus

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How large is the HIV virus?

How large is the HIV virus?

Very small: A single HIV virus particle has been measured at around 0.1 micros (0.0001 mm). ...Read more

Dr. Shari Jackson
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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How long a HIV virus lives?

How long a HIV virus lives?

A few hours: Although HIV can survive outside the body for a few hours in certain bodily fluids, it cannot function when dry. The virus cannot infect some one unless it enters the body. ...Read more

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How long does a HIV virus lives?

A few hours: Although HIV can survive outside the body for a few hours in certain bodily fluids, it cannot function when dry. The virus cannot infect some one unless it enters the body. ...Read more

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How can I contract the HIV virus?

How can I contract the HIV virus?

Depends: Contracting HIV depends on multiple factors, including the type of exposure, how much virus is present from the hiv+ person, and host susceptibility, to name a few factors. Receiving an infected blood product is likely highest risk (though blood is screened rigorously). Risk of HIV sexual transmission depends on type of sexual behavior with anal sex being at higher risk than vaginal than oral sex. ...Read more

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How can humans contract the HIV virus?

How can humans contract the HIV virus?

HIV: Hiv can be transmitted via anal ; oral sex, blood transfusion, use of contaminated needles, breastfeeding ; during pregnancy ; delivery. ...Read more

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How long can HIV virus live in the air?

How long can HIV virus live in the air?

HIV: Cdc laboratory studies have shown that drying HIV reduces the viral amounts by 90 to 99 percent within several hours. There have been no cases of HIV that were transmitted from contaminated surfaces. ...Read more

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By what means the HIV virus come to be?

By what means the HIV virus come to be?

Natural evolution: Over time, all things evolve, including viruses. It is thought that an early form of HIV (called siv) started in monkeys and perhaps was transmitted to humans thru eating monkey meat. Viruses can mutate and evolve to become fitter over time ("survival of the fittest") and eventually came to be HIV as we know it today. In fact, HIV still continues to evolve and mutate to evade current HIV meds! ...Read more

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For how long can the HIV virus live in open ?

For how long can the HIV virus live in open ?

No worries re: HIV: HIV -the virus that causes AIDS is acquired from sexual activity or injection drug use. You cannot get HIV infection from blood outside the body -since once it leaves the body it dies right away. This is obviously a good thing. For some viruses though, like Hepatitis B -they CAN survive outside the body. In India there's some Hep B there. There is a Hep B vaccine you can get. Hope you can be safe. ...Read more

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How much time HIV virus can survive outside body?

How much time HIV virus can survive outside body?

It doesn't: HIV does not survive outside of the body. It is not ever caught by touching it or any other thing it is in or on. Millions of humans have now survived HIV free after taking care of infected humans. They have been bled upon, shat upon, vomited on, spit upon, peed upon. HIV is not caught by touching it or anything it has been in contact with. ...Read more

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How is the HIV virus passed into the body tissues?

How is the HIV virus passed into the body tissues?

Various ways: The virus has reservoir cells where it remains inactive in tissues. These are macrophages and in the nervous system some neurons. It lives within lymphocytes (cd4 cells), and other cells which possess a receptor site to which it can attach and enter the cells. These cells then carry it into tissues. When the virus first enters the body it does so onto receptive surfaces. ...Read more

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How long does HIV virus live outside a human being?

How long does HIV virus live outside a human being?

Not long: Viruses are critters which live inside cells and must have nutrients of a cell to remain alive. Most will die rapidly after leaving the body unless retained in body fluids within cells in those fluids. This takes varying times to resolve. As a general rule HIV is not transmittable casually. It needs direct tissue contact. Blood, shared needles, sex, organ transplant. ...Read more

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What increases my chance of catching the HIV virus?

What increases my chance of catching the HIV virus?

CDC HIV Risk Factors: In general, behaviors that increase risk for HIV include: -Having sex with an infected partner+repetitively -Engaging in injection drug use, prostitution, -STDs -Gay/transgender men who have sex with men- anal sex is extremely dangerous and should be avoided For a complete explanation of risk factors see: https://www.aids.gov/hiv-aids-basics/prevention/reduce-your-risk/who-is-at-risk-for-hiv/ ...Read more

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What happens to people when they have the HIV virus?

What happens to people when they have the HIV virus?

Depends on treatment: Hiv is a serious health problem. The virus slowly destroys a person's cellular immune response and predisposes patients' to infections, certain malignant tumors, and dementia. Without treatment, usual life expectancy is 8 to 10 years. The good news is that with treatment, some people can live healthy and productive lives for many decades. Practice safe sex. Always use a latex condom. ...Read more

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Help! how does the cold virus differ from HIV virus?

Totally different: The common cold which causes upper respiratory tract infections is caused by more than 200 different types of virus. The HIV virus is part of the family known as human retroviruses. The differences and similarities are far too lengthy to discuss in this type of setting. ...Read more

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How long can the HIV virus survive in the environment?

Depends: Please consult this site for information. http://www.aidsmap.com/Survival-outside-the-body/page/1321278/ ...Read more

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Can a dog transfer HIV virus to a child through a bite?

Can a dog transfer HIV virus to a child through a bite?

No a dog cannot: Dogs cannot get and carry the HIV virus in them. So dog bites are not likely source for transmission of hiv. However dog bites can sometimes get infected easily and therefore most children are started on antibiotics to prevent them from getting bacterial infections. ...Read more

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How could the HIV virus come about (what was its origin)?

How could the HIV virus come about (what was its origin)?

Green macaque : It is theorized that HIV has its origin in SIV, simian immunodeficiency virus, a virus that behaves much the same in the green macaque monkey from Central Africa. There is evidence dating back to the 1950s, possibly even earlier, that the virus mutated and passed to humans by consumption of the simian meat. ...Read more

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Does anyone know how did the HIV virus come about (what was its origin)?

Apes.: Many scientists believe a virus similar to HIV first occurred in some populations of chimps and monkeys in africa. These animals were hunted for food. Contact with an infected monkey's blood during butchering or cooking may have allowed the virus to cross into humans and become hiv. ...Read more

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How long could HIV virus remain active in a person's body without manifesting itself?

Depends on person: Hiv can be clinically "latent" (present but causing no symptoms) for periods of months to years with some people being infected for up to 8 to 10 years without serious symptoms. This period of time is unique to every person and depends upon other factors such as other illnesses, nutrition, baseline health, age, etc... People with "dormant" disease are still potentially infectious to others. ...Read more

Dr. Ed Friedlander
1,471 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


Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more