Word: infection
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...viruses keep arising to challenge the vaccine makers. They may have gone undetected for centuries, inhabiting animal populations that have no contact with mankind. If people eventually encounter the animals -- by settling a new part of the rain forest, for example -- the virus can have the opportunity to infect a different sort of host...
That is also the aim for the scores of other viruses that the Yale lab and a select few others in the U.S. receive constantly from around the world. Says Shope: "About 100 of the viruses we have can infect people, and of those, 10% to 20% can kill." But even if scientists find ways to deal with all of those, there will always be more. New viruses are continually leaping from animal populations, where they have circulated harmlessly for years, into humans, and the problem has only become worse as people have moved into formerly uninhabited areas...
...blisters, and then the flesh rips. Blood begins to flow from every one of his body's orifices. The victim coughs up black vomit, sloughing off parts of his tongue, throat and windpipe. His organs fill with blood and fail. He suffers seizures, splattering virus-saturated blood that can infect anyone nearby. Within a few days the victim dies, and as the virus destroys his remaining cells, much of his tissue actually liquefies...
...strategy to which he refers, originally drafted by the WHO, discourages discrimination against sufferers so that they will not infect unwilling partners, targets health services at high-risk groups and works on providing education about AIDS...
...actually at the highest risk for all sexually transmitted diseases. In 1992, the number of women with AIDS climbed 9.8 percent, while the number of men climbed only 2.5 percent. Various studies have shown that it may be anywhere from seven to 18 times easier for a man to infect a woman than vice versa...