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Spanish HIV Vaccine Shows 90 Percent Success in Early Trial

Medical researchers in Spain say an experimental vaccine against HIV, the virus that causes AIDS, has produced a 90 percent immune response among a small group of healthy human test subjects. The promising results pave the way for further clinical trials on HIV-infected volunteers.

Researchers at the Spanish National Research Council's National Biotech Center say their MVA-B vaccine is made with bits of non-infectious HIV genetic material and is designed to train the body’s immune system over time to detect and fight different components of the virus. Lead scientist Mariano Esteban likens the vaccine's effectiveness to showing an HIV picture to the immune systems’ “soldiers,” so they will recognize it and be ready to attack if it appears again in the future.

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