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Researchers from the School of Public Health have fashioned a DNA-based vaccine, tailor-made from bits of nucleic acid that match a segment of the malaria parasite's own DNA, which short-circuits the parasite's development and blocks malaria transmission.

The Multicenter AIDS Cohort (MACS), a 15-year research project that has tracked the occurrence and consequences of HIV in the lives of homosexual and bisexual men, will celebrate its fifteenth anniversary on March 31, 1999.

Researchers from the School of Public Health showed that women had their risk of death from pregnancy lowered by about 40 percent after taking dietary supplements of vitamin A or beta-carotene, compared to women who did not take the supplements.

A team of researchers has shown that a certain type of chemoprevention used to experimentally deter liver cancer from developing is effective. The researchers gave the drug oltipraz to a group of people at high risk for developing liver cancer.