Word: viruses
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...sperm entering the vagina and causing pregnancy. It's an elegantly simple approach, made even simpler by the fact that researchers didn't really have to start from scratch to come up with new anti-HIV compounds; they already have them in the ARVs, which now interrupt the virus from infecting cells at various points in its life cycle...
...every time medical science throws a punch, the disease counterpunches. The most hopeful development in the long battle against HIV is the cocktail of antiretroviral medications that for the past 10 years has helped many people in the developed world (and a few in the developing world) fight the virus to a draw, allowing them to resume a more normal life...
...elderly people surviving with the disease into their later decades. Nearly 27% of people living with AIDS in the U.S. are 50 or older--a proportion that is expected to increase. This vanguard group must confront the ordinary ailments of age complicated by the extraordinary ferocity of the AIDS virus...
...Public health experts say that vaccines generally work best when everyone gets them: the laws of "herd immunity" dictate that the more people are protected against a particular virus, the more likely it is to eventually disappear altogether. HPV is the most common sexually transmitted infection; the Centers for Disease Control estimates that 20 million Americans carry it. By vaccinating children before they are sexually active, there is a hope of dramatically reducing the prevalence of at least some strains for the next generation...
...APPROVED. Gardasil, the world's first cancer-fighting vaccine, designed to protect women from four strains of the human papilloma virus (HPV), two of which are believed to cause 70% of cervical-cancer cases; for females aged 9 to 26; by the U.S. Food and Drug Administration; in Maryland. The drug, produced by pharmaceutical giant Merck & Co., is the first to attempt to prevent infections that can develop into cervical cancer, which each year kills as many as 233,000 women worldwide...