MethodsAppropriate methods to estimate different type highriskpopulations 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 highriskpopulations 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 highriskpopulations for hospital infection and invasive operation and abuse of antibiotics are major risk factors.