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September 24, 2009
Combo vaccine reduces risk of HIV infection, researchers say
Posted: 04:01 PM ET
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Researchers found those who received the vaccine combination were 31 percent less likely to contract HIV.
Researchers found those who received the vaccine combination were 31 percent less likely to contract HIV.

Miriam Falco
CNN

A vaccine to prevent HIV infection, the virus that leads to AIDS, has shown modest results for the first time, researchers have found, raising hopes that a disease that kills millions every year may someday be beaten.

In what is being called the world's largest HIV vaccine trial ever - involving more than 16,000 participants in Thailand - researchers found that people who received a series of inoculations of a prime vaccine and booster vaccine were 31 percent less likely to get HIV, compared with those on a placebo.

"Before this study, it was thought vaccine for HIV is not possible," Colonel Jerome Kim, who is the HIV vaccines product manager for the U.S. Army, told CNN.

HIV is the human immunodeficiency virus, which is the virus that causes AIDS - acquired immune deficiency syndrome.

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2 Comments
Cindy   September 24th, 2009 4:20 pm ET

OK..I want to know exactly how they test this vaccine to truly see if it works. Do they give them the shot and then set them up with someone that has HIV to see if they contract it? If not then this test really doesn't mean anything because how do they know if this person even was with anyone with HIV. They can't know that at all. Seems like false test results to me unless they are having people who aren't infected sleeping with people who are to see what occurs with the ones who get the real vaccine and not placebo.

Cindy..Ga.

Tammy, Houma, LA   September 24th, 2009 6:16 pm ET

How did the researchers control for people engaging in higher-risk behaviors who did not self-report those behaviors versus those who did? Maybe those in the vaccine group just lucked out because they engaged in less risky behaviors as compared to the control group. There is way too little info for me to say whether or not this study could even remotely be considered valid. And how are they planning to test for reliability?

As a counselor who spent five years of her life researching HIV prevention and person who's lost too many important people in her world to this horrible disease, I'd love for this to be remotely true. But after years of false hope, empty promises, and a disease that is still taking people I love, I'm not buying into the hype until I can read the actual research myself and see longitudinal studies that prove beyond a shadow of a doubt that this is real. We've been duped too many times before. You all owe us better than to do it to us again.

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