In Tests, AIDS Vaccine Seemed to Increase Risk
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An AIDS vaccine tested in a closely watched trial might have increased recipentsâ risk of becoming infected with H.I.V., researchers reported.
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NEW YORK  - The results of the first early  test of a new type of tuberculosis vaccine show that it elicits  strong immune responses in adults with or without a previous  bacille Calmette-Guerin (BCG) vaccination.
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TRENTON, N.J., Sept. 21 -- A promising experimental AIDS vaccine failed to work in a large international test, leading the developer to halt the study.
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Campaigners mixed joy with prudence after new trials, described as a watershed in the quarter-century-long tragedy of AIDS, showed circumcision nearly halves a man's risk of catching HIV.
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The number of newly diagnosed HIV  infections in gay and bisexual men has risen in many U.S.  states, according to a federal study on Wednesday which stoked  concerns AIDS may be poised for a resurgence in the country.
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While a locally produced vaccine enlightens the battle with AIDS, the lack of proper knowledge on prevention does little to help curb its fast spread in the country.
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Temporary increases in HIV levels do not generally mean a drug losing its effectiveness, research finds.
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DAR ES SALAAM, Tanzania, Nov. 7 -- Developers of a failed AIDS vaccine announced Wednesday that it appeared to be ineffective among some people with a preexisting immunity to a virus that causes colds and may have raised their vulnerability to AIDS.
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New data from the city's Health Department show an increase in H.I.V. infection rates among young men.
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Prospects for a malaria vaccine have been boosted by âtantalisingâ results from a trial in 2000 children in Mozambique. Although the vaccine reduced the risk of infection by only 30% compared with a control
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Three months into the District's HIV campaign, almost 3 percent of more than 7,000 people tested at community health sites have been found to be positive for the virus -- more than double the national rate.
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Independent of cigarette  smoking, infection with HIV, the virus that causes AIDS, is  associated with an elevated risk for developing lung cancer, a  study shows.
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World HIV experts stressed here Thursday that the development of an HIV prevention vaccine is as important as work on vaccines to treat the disease.
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Exposure to alcohol makes mouth cells more susceptible to HIV infection during oral sex, research has shown.
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More than 3,000 people who volunteered to receive an experimental Merck and Co. AIDS vaccine are being told to come back and get extra tests because the jab may itself raise the risk of infection.
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Clinical trials of an anti-virus gel supposed to help protect women against AIDS were cancelled after it was found that those on the treatment were more susceptible to HIV infection, a statement from the World Health Organisation said.
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An experimental vaccine reduced the presence of the HIV virus by at least 80 percent in a Brazilian study of 18 infected patients published on Sunday in the journal Nature Medicine.