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Doctor insights on: Human Viruses List

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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

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


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Are parasites contagious from human to human?

Are parasites contagious from human to human?

Depends: There are many kinds of parasites. Most are not transmitted from person to person, but some are. Giardiasis and amebiasis can be transmitted from person to person, usually during sex when there is oral-fecal or oral-anal contact. Pinworms are easily transmitted within households, especially among children. Skin parasites such as scabies and crab lice are also transmitted from person to person. ...Read more

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What are human papilloma viruses (hpv)?

What are human papilloma viruses (hpv)?

DNA viruses: Hpvs are dna viruses that can cause warts, premalignancy / dysplasia, and cancers in people. Some strains are associated with skin infections and cause warts only (like warts on feet and fingers). Other strains are more commonly seen on the genitals (cervix, vagina, penis, anus, etc...) and can be spread by sexual contact. The pap test and hpv dna tests and biopsies are used to diagnose hpv. ...Read more

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In what viral group is human papilloma virus classified?

In what viral group is human papilloma virus classified?

HumanPapillomaVirus: Human papilloma viruses is the name of a large group of viruses. There are about 100 subtypes of human papilloma viruses; almost half can occasionally cause cancer. For example, the virus that causes ordinary skin warts (including plantar warts) is called hpv-1. Two others, hpv-16 and hpv-18, are responsible for a majority of cervical cancers and are components of both of the hpv vaccines. ...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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Can a polio virus infect animals as well as humans?

Vets: Here are three sites where you can get this answered: my pet ed : http://www.Mypeted.Com/ * just answer on-line vets at: http://www.Justanswer.Com/sip/veterinary * ask a vet: http://www.Banfield.Com/pet-owners/pet-health/ask-a-vet * good luck. ...Read more

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How is the human immunodeficiency virus (hiv) transmitted?

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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Are prions implicated in any human illness?

Are prions implicated in any human illness?

Yes: Traditionally classified human prion diseases include creuztfeld-jakob diseases (cjd), gerstmann-straussler-scheinker (gss) disease, fatal familial insomnia and kuru. Certain animal prion disease can be transmitted to humans including bovine spongifrm encephalopathy (mad cow disease), chronic wasting disease of mule deer and elk, and scrapie in sheep and goats. ...Read more

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Human papilloma virus vaccine for boys ok?

Human papilloma virus vaccine for boys ok?

Highly recommended: The hpv vaccine has been well tolerated. It's recommended for boys at 11 or 12 through age 21 but can be given as young as 9 (and through age 26 for those at higher risk). It reduces the risk of anal cancer in boys and girls as well as the risk of cervical cancer in girls. Hopefully it will reduce some other hpv related cancers. The Gardasil hpv also reduces sexually transmitted warts by 90%. ...Read more

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What are proteins found in the human immunodeficiency virus?

What are proteins found in the human immunodeficiency virus?

HIV proteins: Hiv particles surround themselves with a coat of fatty material known as the viral envelope (or membrane). Projecting from this are around 72 little spikes, which are formed from the proteins gp120 and gp41. Just below the viral envelope is a layer called the matrix, which is made from the protein p17. ...Read more

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The human immunodeficiency virus (hiv) infects helper t cells. What is the role of these cells?

The human immunodeficiency virus (hiv) infects helper t cells. What is the role of these cells?

Cellular immunity: These are cells that work as part of the cellular immune system, fighting certain fungal (e.g. Cryptococcus), viral (e.g. Herpesviruses), parastic (e.g. Toxoplasma), and bacterial (e.g. Tuberulosis) infections. The cellular immune system also helps to prevent certain cancers, such as lymphomas. ...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 type of cell does herpesviridae (herpesvirus) infect in humans?

What type of cell does herpesviridae (herpesvirus) infect in humans?

Skin cells: The herpes virus comes in 2 types: herpes simplex (hsv) 1&2. Antibodies (igg) to both viruses can be tested to see if you have lasting immunity and (igm) short-term antibodies check to see if you have had a recent infection. Unfortunately the igg levels can not tell how long ago you were exposed. Also herpes 1 & 2 viruses can cause either oral or genital herpes. Hope that helps. ...Read more

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Can the HIV virus have originated from human experiments with chemical weapons.?

Can the HIV virus have originated from human experiments with chemical weapons.?

No: Hiv is a virus and humans could not have created it with chemicals. It likely spread from primates to humans. ...Read more

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Parvovirus contagious to humans?

Parvovirus contagious to humans?

Yes, human to human: Parvovirus b19 is a causative organism of fifth disease in children. The same virus also affects pregnant women resulting in fetal hydrops, intrauterine growth retardation, and death. ...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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Do all human herpes viruses trigger guillain barre syndrome?

Do all human herpes viruses trigger guillain barre syndrome?

No: Guillain barre syndrome etiology unclear. Association with viral infection and vaccination suspected. Not necessarily all herpes virus cause guillain barre syndrome. ...Read more

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