Word: occurate
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Dates: during 1980-1989
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...Although the AIDS virus is found in several body fluids, a person acquires the virus during sexual contact with an infected person's blood or semen and possibly vaginal secretions . . . Small (unseen by the naked eye) tears in the surface lining of the vagina or rectum may occur during insertion of the penis, fingers or other objects, thus opening an avenue for entrance of the virus directly into the blood stream; therefore, the AIDS virus can be passed from penis to rectum and vagina and vice versa without a visible tear in the tissue or the presence of blood...
...usually elapse between infection and the development of a related cancer. When liver cancer strikes a hepatitis carrier, for example, it generally does so 30 to 50 years after the victim was first infected. These long delays, Zur Hausen observes, "suggest the need for other events besides infection to occur in order to progress to cancer...
...percentage, which is 3.6 percent of each grant, will not cover some administrative costs, said Vice President for Government and Community Affairs John Shattuck. He added that excess administrative costs are more likely to occur at the Medical School than in the Faculty of Arts and Science, because medical area research is more capital intensive...
...were participating in the Oculinum trials that without coverage he would no longer be able to supply the drug. Because people associate the drug with botulism, ! Scott told the New York Times, insurers are afraid they will be hit with huge damage suits if any untoward side effects occur. He notes that among some 7,000 patients who have received the drug to date, side effects have been temporary and mainly limited to drooping eyelids, excessive tearing and double vision. None have yet brought suit...
...happens when chemicals react, scientists, prior to the laureates' work, had only sketchy evidence: the chemical products and the amount of energy produced or consumed by the end of a multistep reaction. But these observations gave information only about the net effect on millions of molecules; the changes that occur to individual molecules at each step stayed a mystery...