For the first time, an experimental vaccine has prevented infection with the AIDS virus, a watershed event in the deadly epidemic and a surprising result. Recent failures led many scientists to think such a vaccine might never be possible.
Marilynn Marchione and Michael Casey
, September 24, 2009
The highest numbers of HIV cases are in population centers like New York and California. However, many of the areas with the highest rates of HIV — that is, the highest proportion of people with the AIDS-causing virus — are in the South, according to the data map, which has information for more than 90 percent of the nation’s counties and Washington, D.C.
State health officials are looking into the latest HIV case reported in California's multibillion-dollar porn industry, fearing that reckless practices on film sets might be raising the risk of new infections.
Landmark studies from three African countries including Uganda previously found circumcision lowered men's chance of catching the AIDS virus by up to 60 percent. The new study stems from the Uganda research and looked at protection against three other STDs. The findings are reported in todays New England Journal of Medicine
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