A vaccine against AIDS?

The United States and Thai researchers have developed a vaccine that can significantly reduce the risk of contamination by the AIDS virus, they announced Thursday in Bangkok, after testing involving over 16,000 people.

The operation, described as the largest ever conducted for a vaccine against AIDS worldwide, was conducted by the Thai Ministry of Health and the U.S. military and reduced the risk of infection for one third of cases.

"In 32.1% of cases, the vaccine reduces the risk of infection, " said a statement of research published during a press conference in Bangkok. In reality, the study showed that there were 32.1% less infected of those who had been vaccinated than of the others.

"This result represents a breakthrough because it is the first time there is evidence that a vaccine against the HIV virus has a preventive effect," the statement added.

"It is a very important scientific breakthrough and gives us hope that an effective vaccine in the world is possible in the future, " insisted the U.S. Army colonel Jerome Kim, via video conference.

The new vaccine is a combination of two vaccines whic had been tested previously but did not prove being effective independently of one another.

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