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Doctor insights on: Horsegram Yellow Mosaic Virus

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Who discovered the yellow fever vaccine?

Who discovered the yellow fever vaccine?

Smith and Theiler: They published their work on the 17d live attenuated yellow fever vaccine in 1938. ...Read more

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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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What are signs of secondary skin bacterial infection in chickenpox.I have 3 spots that oozed w/ transparent yellow/gold fluid.Are they infected?

Maybe: Open skin lesions like those of chickenpox can be secondarily infected by various skin germs like staph or strep. Your physician can sort this out for you because it is sometimes difficult to tell with chickenpox. ...Read more

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High fever sore throat, skin sores, painless after fever broke, white blood cells fighting virus?, then died, harmless? Treatment?Antibiotics ness.?

High fever sore throat, skin sores, painless after fever broke, white blood cells fighting virus?, then died, harmless? Treatment?Antibiotics ness.?

See your physician : Skin rash with fever can be due to numerous potential viral or bacterial infections. See your primary care physician or a dermatologist for a work up including further lab work, cultures, and possible skin biopsy. This will hopefully guide treatment. ...Read more

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Is swine flu virus infectious after remaining on a surface for 1 day?

Is swine flu virus infectious after remaining on a surface for 1 day?

Viruses: They stay active on surfaces for quite a while although its a different time for many, you can catch any if you try. ...Read more

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No symptoms of UTI u/s color yellow, clea,r *few bacteria RBC h 24 no WBC blood moderate does this mean cancer?

No symptoms of UTI u/s color yellow, clea,r *few bacteria RBC h 24 no WBC  blood moderate does this mean cancer?

No: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, blood in urine is something that needs to be looked at. If you were menstruating at the time of the test, first thing to do would be to repeat the test when you are not bleeding. ...Read more

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Malaria yellow fever and encephalitis are transmitted by the male mosquito?

Malaria yellow fever and encephalitis are transmitted by the male mosquito?

Female: My university days are near 40 years past but i remember at that time the disease vectors of which you speak are from the adult female of the species who require blood for their life cycle. ...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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What is the origin of human t-lymphotrophic virus? Did it originate from primates (simian viruses?)?

What is the origin of human t-lymphotrophic virus?  Did it originate from primates (simian viruses?)?

Probably: The human t-lymphotropic virus type i is a human RNA retrovirus that is known to cause adult t-cell leukemia and lymphoma, and a demyelinating disease called htlv-i associated myelopathy/tropical spastic paraparesis. Htlv-i is one of a group of closely related primate t lymphotropic viruses. The ones that infect old-world primates are called simian t-lymphotropic viruses. ...Read more

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Are small numbers of HIV virus trasmitted by breastfeeding (in the milk or in tiny nipple cracks)?

Are small numbers of HIV virus trasmitted by breastfeeding (in the milk or in tiny nipple cracks)?

Yes it is possible: If the mother is HIV positive it is possible for the HIV infection to pass through breastfeeding. In the usa it is not advised for an HIV mother to bf. In the 3rd world the answer is not so clear, as the child might well be more likely to die from malnutrition or contaminated formula than from the HIV in breastmilk. ...Read more

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Can viruses and/or bacteria cause mutation(s) in human genes? If so, do stem cells correct the mutations after the viral/bacterial infection is gone?

Can viruses and/or bacteria cause mutation(s) in human genes?  If so, do stem cells correct the mutations after the viral/bacterial infection is gone?

Too complex: Cannot possibly begin to answer this question in the space of 400 characters. You need to discuss this face to face with somebody who specializes in the field. ...Read more

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What does the west nile virus rash looks like?

What does the west nile virus rash looks like?

Rash: About 20% of people who are infected w west nile virus may develop a rash. The rash is variable ; may be maculopapular or macular. Most people don’t have sx’s w west nile virus. An article entitled “characteristics of the rash associated with west nile virus fever” indicated that 33% of people w a rash had pruritus. ...Read more

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I was wondering what are the reasons HSV (herpes simplex virus) infects the human body?

I was wondering what are the reasons HSV (herpes simplex virus) infects the human body?

Exposure: It's a kind of virus that can infect anyone it encounters. There is no 'reason' why; it just is that way. ...Read more

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Does 3 mosquito bites in a row mean west nile?

Does 3 mosquito bites in a row mean west nile?

No. : If a mosquito is carrying the virus, then one bite from that mosquito might be sufficient to transmit the virus; however, mosquito bites are a very common thing, and west nile virus is still relatively uncommon. Do not jump to conclusions just because you've been bitten a few times. The great probability is that you will not contract west nile virus. ...Read more

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What is hexon virus? Apparently it's a rare blood virus?

Dr. Tony Ho Dr. Ho
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Protein: A hexon is one of the capsid proteins on a virus. ...Read more

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Urine culture has mixed growth of 4 bacteria species isolated. Viable count: <10 (small letter 4) /ml probably contaminants.What does this mean to me?

Urine culture has mixed growth of 4 bacteria species isolated. Viable count: <10 (small letter 4) /ml probably contaminants.What does this mean to me?

Meaningless: Almost certainly this means 1) you don't have a urinary tract infection and 2) the urine specimen was not a good "clean catch"; all those bacteria almost certainly come from your vaginal opening, labia, etc. (That's why the lab called them "probably contaminants".) ...Read more