sentinel surveillances 《英文msh词典》Sentinel Surveillances ; [入口词] Sentinel Surveillances ; [主题词] Sentinel Surveillance ; [英文释义] Monitoring of rate of occurrence of specific conditions to assess the stability or change in health levels of a population. It is also the study of disease rates in a specific cohort,geographic area,population subgroup,etc. to estimate trends in larger population. (From Last,Dictionary of Epidemiology,2d ed)