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Doctor insights on: Squirrel Monkey Retrovirus Virus

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How are humans infected by west nile virus?

How are humans infected by west nile virus?

Mosquito bite: West Nile Virus is a mosquito borne infection that originated in the tropics. It causes a flu-like syndrome in 20% of those infected . It causes neuroinvasive disease in ...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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Can west nile virus infect by unborn child?

Can west nile virus infect by unborn child?

West Nile virus: There have been reports of possible transmission of the virus from mother to child during pregnancy or breast feeding, but these have been rare and not confirmed conclusively. ...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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How is human parvo virus transmitted?

How is human parvo virus transmitted?

Fifth disease: Here is a nice discussion by the cdc on your question. http://www.cdc.gov/parvovirusb19/fifth-disease.html. ...Read more

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Can humans catch west nile encephalitis?

Can humans catch west nile encephalitis?

Mosquito bites: West nile virus must be produced in high numbers before being passed through mosquitoes. Birds are far and away the most frequent carriers. Robins look like they might be responsible for spread all over the country. Mosquitoes have to feed on the infected robin and then pass the virus on to human beings through a bite. ...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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How is the west nile virus transmitted?

How is the west nile virus transmitted?

West Nile Virus: Typically, west nile virus spreads to humans via infected mosquitoes. Mosquitoes become infected when they feed on infected birds. You can not get infected by touching or kissing a person with the virus. In some cases, the virus may be spread by organ transplantation and blood transfusions. ...Read more

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How does west nile virus spread?

By Mosquitoe: West nile virus must be produced in high numbers before being passed through mosquitoes. Birds are far and away the most frequent carriers. Robins look like they might be responsible for spread all over the country. Mosquitoes have to feed on the infected robin and then pass the virus on to human beings through a bite. ...Read more

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How come the west nile virus and malaria are contracted by mosquitos but the aids virus isn't?

How come the west nile virus and malaria are contracted by mosquitos but the aids virus isn't?

Agree w earlier: responses. HIV can only be transmitted between humans. The virus would be unable to remain alive in a mosquito. Even if it could, mosquitoes don't inject blood into people. ...Read more

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Rabies virus is spread by air?

Rabies virus is spread by air?

Rabies transmission: Per the Centers for Disease Control: The most common mode of rabies virus transmission is through the bite and virus-containing saliva of an infected host. Though transmission has been rarely documented via other routes such as contamination of mucous membranes (i.e., eyes, nose, mouth), aerosol transmission, and corneal transplants. ...Read more

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Is human t cell leukemia/lymphotropic virus (htlv-1) contagious?

Is human t cell leukemia/lymphotropic virus (htlv-1) contagious?

Yes: Both htlv-1 and htlv-2 are spread by sexual transmission, from mother to child, and by exposure to infective blood through transfusions and injection drug use. In this respect the virus is contagious. It does not appear it is transmitted in any other way. ...Read more

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What infections(viruses, bacteria...Etc.) can fleas transmit to humans?

What infections(viruses, bacteria...Etc.) can fleas transmit to humans?

Sometimes...: Sometimes, fleas may carry bacteria that can infect humans. The most important and most familiar flea-borne disease in the world is plague. Plague exists in most arid regions of the world, including the western United States. The second flea-borne disease is murine typhus, which occurs worldwide, including in the southwestern U.S. And hawaii. ...Read more

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How is the ebola virus transmitted?

How is the  ebola virus transmitted?

Human body fluids: By contact with the body fluids of infected people. Some animals presumably serve as reservoirs of infection between human outbreaks, but the details haven't been worked out. ...Read more

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Can mosquito transmit Ebola virus as it does for malaria?

Can mosquito transmit Ebola virus as it does for malaria?

Ebola: Not yet. The virus does not survive in the mosquito's saliva. Mutations occur with some frequency but this has not yet transpired. The only means of transmission so far have been from some unknown animal reservoir (bats are suspected) or from human to human by bodily excretions (including sweat, saliva, stools, vomit, and so on.) ...Read more

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Why is a retrovirus harder to treat than other viruses?

Why is a retrovirus harder to treat than other viruses?

They can hide in DNA: Retroviruses have the ability to insert themselves into the dna, effectively "hiding" themselves from the immune system. Also, they rapidly mutate which can prevent the immune system from attacking them. ...Read more

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How do retroviruses such as HIV differ from other types of viruses?

Rev transcriptase: "retro-" means backwards and the virus carries RNA which is translated backwards to dna by their own reverse transcriptase; the dna is then integrated into the host's genome. The "endogenous retroviruses" can even be passed from generation by infection the sperms / eggs. ...Read more

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Why are retroviruses the only group of RNA viruses that can cause cancer?

Why are retroviruses the only group of RNA viruses that can cause cancer?

They don't penetrate: DNA viruses don't have the capability of entering the cell membrane. As such when one sees DaNA on tumor membrane it is from mutated mitochondrial DNA. The RNA viruses penetrate the cell and elaborate reverese transcriptase to allow transfection of the nuclear DNA. This enzyme only occurs with the retroviruses. ...Read more

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Why are human endogenous retroviruses (herv's) "activated" in some people, but not in others, when exposed to exogenous viruses? Genetic mutations?

Why are human endogenous retroviruses (herv's) "activated" in some people, but not in others, when exposed to exogenous viruses?  Genetic mutations?

HERV's evolutionary: Endogenous retroviruses have made us evolve. They make up 8% of our dna genome. These aren't of the same class as HIV (lentivirus) or htlv (deltaretrovirus). Few are active & only w/growth & infection. Co-infection w/hiv can turn on herv replication wh/allows our immune system ability recognize & kill HIV viruses w/herv presenting-hiv infected cells leading to new therapies for HIV (vaccines!). ...Read more

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Is it true that olive leaf extract kill viruses and retroviruses like HIV and htlv?

Is it true that olive leaf extract kill viruses and retroviruses like HIV and htlv?

Doesn't matter: I don't know, but it really doesn't matter. There are lots of things that kill hiv, such as soap and water. Killing HIV isn't the answer. The answer is to stop HIV from replicating and to be able to eliminate latent infection, which olive leaf extract won't do. ...Read more

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What does it mean if something is a retrovirus?

What does it mean if something is a retrovirus?

RNA to DNA: It means that the RNA of the virus gets "reverse transcribed" into dna so it can the be inserted into the human dna. This is the opposite of what usually happens (dna gets transcribed into rna). It's called a "retrovirus" because the transcription is backwards. ...Read more

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Is it true that rhinovirus is a retrovirus?

No: It is a picornavirus. There are some similarities (it's genome is made of rna) but it is not a retrovirus (like hiv). It is a cause of the common cold, and it typically not life threatening. ...Read more

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Is the influenza a retrovirus?

Is the influenza a retrovirus?

No, but its still...: ...Deadly. Influenza is still a leading killer, inspite of the existence of a vaccine. It is not part of the family of viruses known as retroviruses, which tend to incorporate themselves into the genome of the host cell. Get your flu-shopt every year and wash your hands regularly during the flu-season. ...Read more

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Please help Baby 2 mths old blood test positive for something "retrovirus" can't get hold of doctor for more info until Monday what could it be?

Please help Baby 2 mths old blood test positive for something "retrovirus" can't get hold of doctor for more info until Monday what could it be?

Don't ask yet: It was a mistake to give you this partial information, so it is likely that the information itself is mistaken. Don't pursue this until you are able to get an accurate answer from the physician; if it is serious, he/she will probably schedule a face-to-face meeting. ...Read more

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Have their been any cases of the sars virus in the u.S?

Have their been any cases of the sars virus in the u.S?

In 2003, : There were 30 or so cases of 'probable sars' in the usa, only 8 were shown to be antibody positive and all these acquired the virus outside the usa. ...Read more

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What does it means when your paper file is showing hep c virus ab 0.1 s/ co ratio 0.0 - 0.9 and what can you about it?

What does it means when your paper file is showing hep c virus ab 0.1 s/ co ratio 0.0 - 0.9 and what can you about it?

Probably negative: What i understand from your question is that normal value of hepatitis c antibody is between 0.0 to 0.9. If your level is 0.1, which meaning it is negative. This indicates you have never been exposed to hepatitis c virus. ...Read more

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How did the ebola virus start? How did it get into the U.S.?

How did the ebola virus start? How did it get into the U.S.?

Ebola Virus: Ebola is a filovirus (Filoviridae). The genomic fossils of filoviruse family that impact mammals have likely existed tens of millions of years. Viruses mutate over time. The first recognized Ebola outbreak was in 1976. Some individuals who became infected by Ebola in Africa traveled to the US - there by leading to US cases. ...Read more

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Has their ever been a case of someone having the ebola virus in the u.S.?!?!

Has their ever been a case of someone having the ebola virus in the u.S.?!?!

Ebola: Regarding current Ebola outbreak you are probably now aware that a man who had direct contact with Ebola traveled from Nigeria to Dallas, Texas - developing Ebola sx's 5 days after arrival in the US. The CDC is monitoring each of the man's contacts for 21 days. Two missionaries were also evacuated from Africa to the US for treatment prior to that. The Reston virus (mutated Ebola Virus) found in ...Read more

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If I'm HIV positive, how can I ensure I don't spread the virus to my partner(s)?

Safe sex, HIV Rx: Congratulations on your responsible approach! 1) Inform all partners so they can choose to have sex with you or not, or to avoid some sexual practices. 2) Always use condoms for vaginal or anal sex. 3) Be in medical care, religiously take anti-HIV drugs, and keep your viral load low. Your doctor or clinic can fill in the details. If you do all these, you will never infect a sex partner. ...Read more

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I am in my mid 60's. It seems that at times i m unable to control my bowels. I do not have a virus or am not ill.. I have regular colonosophy.?

I am in my mid 60's.  It seems that at times i m unable to control my bowels.  I  do not have a virus or am not ill..  I have regular colonosophy.?

See a doctor: You may be developing some form of neuropathy, but in order to be helpful a doctor will need a full detailed history, often asking questions you might not think to tell them. Go and get examined before this gets worse. ...Read more

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I heard the bornavirus is a major cause of bipolar disorder. How common is this virus in the U.S.?

I heard the bornavirus is a major cause of bipolar disorder. How common is this virus in the U.S.?

Not likely accurate: "Absence of evidence for bornavirus infection in schizophrenia, bipolar disorder and major depressive disorder." (http://www.ncbi.nlm.nih.gov/pubmed/22290118) indicates "Our results argue strongly against a role for BDV in the pathogenesis of these psychiatric disorders." ...Read more

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Is there a cure for respiratory syncytial virus (r.S.V.)?

Is there a cure for respiratory syncytial virus (r.S.V.)?

Treatment available: Inhaled ribavirin, an antiviral agent, can be used to treat severe cases of RSV in infants and children. Palivizumab, an antibody, can be given to people at high risk for RSV to prevent infection. ...Read more

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Is there a cure for respiratory syncytial virus (r.S.V.)?

Is there  a cure for respiratory syncytial virus (r.S.V.)?

No: There is therapy for rsv, but because of its side-effects and toxicity it is only used on critically ill children, and with mixed results. Rsv has been diagnosed more frequently in adults recently, but there are no curative therapies yet available. ...Read more