February 10, 2010
New Vaccine Might Prevent Tuberculosis in HIV-Positive People
A new vaccine called mycobacterium vaccae (MV) might prevent tuberculosis (TB) in HIV-positive people, according to a new study published in the journal AIDS and reported on by HealthDay News. TB is the most common cause of death among HIV-positive people in developing countries.
For the study, researchers from Dartmouth Medical School in Hanover, New Hampshire, conducted Phase III trials on 2,000 HIV-positive Tanzanians. MV reduced the definite TB rate by 39 percent.
“Since development of a new vaccine against tuberculosis is a major international health priority, especially for patients with HIV infection, we and our Tanzanian collaborators are very encouraged by the results,” said principal investigator Ford von Reyn, MD, director of the DarDar International Programs for the infectious disease and international health section at Dartmouth Medical School.
Researchers add that those newly diagnosed with HIV are at risk of immediately contracting TB so they should receive the MV vaccine before beginning antiretroviral therapy.
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