Researchers at Harvard Medical School have identified 273 proteins that the AIDS virus needs to survive in human cells, which could lead to new strategies for combating the disease.
As AIDS patients live longer they can experience a host of medical conditions that challenge the prevailing view of the disease as chronic and manageable.
President Bush's initiative, which has helped 1.4 million people, may be his most lasting bipartisan achievement.
Congress and President Bush should act to eliminate the law that prohibits the use of federal funds for needle-exchange programs in the United States or abroad.
President Bush signed legislation lifting a ban that for nearly a decade has prevented city officials from using local tax money for needle exchange programs.
Staying uninvolved while interviewing participants for a study about the effect of food shortages on H.I.V. treatment is often difficult, one researcher finds.
The candidates told Spanish-language viewers that they would take a hard line on illegal immigration.
Mike Huckabee is facing scrutiny over a rapist's parole and his past support for quarantining people with AIDS.
More people in the United States are infected each year with the AIDS virus than previously thought, according to federal health officials.
The disease is being transmitted to infants, older adults, women and heterosexual men at an epidemic pace, according to city health officials.
Finally, the disease is acting like other epidemics. That's a good sign.
A vaccine tested in a closely watched trial might have increased recipients' risk of becoming infected with H.I.V.
The World Toilet Summit may sound like a lighthearted event, but when you learn that 40 percent of the globe has no access to hygienic toilets, it takes on a whole new level of importance.
A study suggests that a virulent drug-resistant bacterium spreading in hospitals and nursing homes may be twice as common as once thought.
The pharmaceutical company Merck halted test vaccinations on a much-heralded H.I.V. vaccine after it failed to prevent or reduce the severity of infection.
The number of deaths of young children around the world has fallen below 10 million a year, according to Unicef.
For hundreds of people who were thrown into poverty by AIDS, recent cutbacks are causing hardship and deep anxiety.
Many migrant workers are bringing AIDS to rural parts of Mexico, which are not prepared to handle the epidemic.
Viruses can be used to human advantage.
Our present inability to fight HIV stems from a prehistoric ability to fight another virus.
Fox, which along with CBS rejected a Trojan commercial, said that "contraceptive advertising must stress health-related uses rather than the prevention of pregnancy."
The department has started asking some community groups and gay rights organizations to discuss the procedure with their members.
The World Health Organization set the stage for donor agencies to begin paying for circumcision as a way to prevent heterosexual transmission of H.I.V.
In the deeply conservative country, H.I.V. and AIDS remain underground, shrouded in ignorance and stigma.