MethodsAppropriate methods to estimate different type high risk populations were ascertained by experimental study.

方法通过试点研究确定不同类别高危人群基数估计的适宜方法。

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METHODS 2,626 serum samples from the high risk populations in Hangzhou city were tested for detecting AIDS or HIV infections in 1999.

方法于1999年对杭州市区各类高危人群共2 6 2 6人份血清标本进行艾滋病血清学检测。

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Conclusion: Acute cerebral apoplexy patients are high risk populations for hospital infection and invasive operation and abuse of antibiotics are major risk factors.

结论：急性脑卒中患者为医院感染的高危人群，侵入性操作、不合理应用抗生素为主要易感因素。

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The stockpiles are probably adequate at this time to immunize the high risk populations of America, older people, and people with chronic disease.

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Bromet says the study findings can help countries identify their own high-risk populations, whether it's older adults in Ukraine or young divorced women in Japan.

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Kasai noted that one of the ways that H1N1 differs from seasonal flu and other pandemics is that it seems to affect young adults more severely, in addition to traditionally high-risk populations like children and the elderly.

FORBES: Healthcare