Method Sero-epidemiological survey data of hepatitis B in 1980, 1992 and 2006 in Gansu province were analyzed comparatively.
方法对甘肃省1980、1992、2006年乙肝血清流行病学调查资料进行比较分析。
Researchers from UC Davis looked at data on 29,662 people from the the National Epidemiological Survey of Alcohol and Related Conditions.
来自加州大学戴维斯分校的研究者们对29,662人的数据进行了分析，这些数据来自于国家酒精依赖和相关特征的流行病学调查。
Design: Data were used from the Boston Area Community Health Survey, an epidemiological study conducted from 2002-2005.
试验设计：采用2002- 2005年间一项流行病学研究中波士顿地区人群健康问卷调查数据。
Methods: Data of HIV infection and HIV/AIDS cases were collected by using sentinel surveillance, specific epidemiological survey, VCT and mass screening of high-risk populations.
方法：采用哨点监测、自愿匿名咨询检测、重点人群筛查和专题流行病学调查等方法，收集全市艾滋病病毒感染资料和艾滋病病例报告资料。
Methods: Data of HIV infection and HIV/AIDS cases were collected by using sentinel surveillance, specific epidemiological survey, VCT and mass screening of high-risk populations.
方法：采用哨点监测、自愿匿名咨询检测、重点人群筛查和专题流行病学调查等方法，收集全市艾滋病病毒感染资料和艾滋病病例报告资料。
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