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越障:7:42 抄袭attractg的格式。 Main Idea: A nonculture method of diagnosing disease will hind source information and undermine official’s ability to detect multistate outbreak. Author’s attitude: Neutral
Structure: >> A trend: many clinics shift their method from traditional one to new one ● Past method: when somebody ill with certain kind of pathogens, stool and separate DNA pieces would be forward to local, state and country lab, for recording and matching. Advantage of past method: can trace the source, and supervise outbreak. ● Current method: quickly detected and convenient for patients and physicians, even no stool hand in Advantages of the new tests: quicker, less cost, less training, and can diagnose all infections. >> Reasons why this trend happen Advantages of new tests, economic influence and White House’s tight budget. >>worries about new diagnostic tests: Inadequacy DNA database lose power in searching the source. New surveillance is needed >>Although the problem of tracking pathogen is new, the same concern was presented before. Eg: sexually transmitted disease, XXXX.
Restate the unintended consequence if use the new method widely. |
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