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Reviewed By: Brunilda Nazario,
SOURCES: 2009 Medical Reference from Medstar Television. Louis Picker, MD, Immunologist, Oregon Health & Science University, Portland.
© 1999-2011 Medstar Television
According to the National Institutes of Health, there are 56-thousand new HIV infections every year. Medications help patients live longer, but no one's been cured. And finding a vaccine is difficult because the virus is always mutating.
It has a fundamental ability to evade the immune system. And we're trying to find its weakness.
Now researchers at Oregon Health and Science University may have done just that.
We focused on a vaccine that can actually prevent the take of the infection at the site of… of, of initial, you know, where the virus originally comes into the body.
Doctor Picker says the virus is most vulnerable when it first makes contact with, for example, the lining inside the genital tract.
So our vaccine is developed to have an immune response that is there, that can potentially kick the virus out or prevent if from, from taking.
It's designed to teach so-called effector memory t-cells in the lining to seek and destroy HIV on the spot - before it invades the body.
Squeaking
When researchers tested the new vaccine on SIV, the monkey version of HIV, four out of 12 animals were protected.
We need to understand why it works in some animals and not in others and hopefully, you know, change the recipe so to speak, to see if we can increase, uh, the ability of the vaccine to work in the majority of animals.
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