Word: infective
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HIDDEN HERPES Think you don't have herpes? Well, you might. Researchers have found that two-thirds of those who turn out to be positive for the virus on a blood test have no idea they're infected, in part because their symptoms aren't obvious. But like those with full-blown oozing blisters, they still shed the virus--and can infect others. If you're worried, use a condom and get a blood test...
...would like to take advantage of some of Mother Nature's own ideas to design new chemotherapy drugs. Scientists at Vion Pharmaceuticals of New Haven, Conn., are interested in co-opting a group of Salmonella bacteria that normally attack the intestines and cause dysentery. Salmonella, it happens, also happily infect all kinds of tumors, including colon cancer. By loading genetically crippled salmonella with one of the body's own cancer-fighting chemicals (a molecule called tumor necrosis factor), researchers at Vion hope to destroy or at least shrink a wide variety of cancers. Safety studies in humans are planned...
...create a high-security atmosphere. In addition, despite the rash of school shootings, fights and other disturbances in schools are down by between 20 and 30 percent, figures that reflect a general decline in violence. And then there is the matter of a strong economy; good times tend to infect the national psyche with a pervasive sense of well-being. Nothing like extra pocket money to bring back teenagers? infamous sense of invincibility...
...fate have tossed together George and Dale? Roy and Gracie? I have a hard time picturing Bonnie and Ozzie. There's a wizened couple who travel in New York semi-literary circles who are both so poisonous, it is impossible to believe the gods would have allowed them to infect two others...
Scientists had hoped the virus would infect immune system cells, but would prove unable to replicate itself to the point that it would seriously damage the host's immune system...