Bell R L, Christensen B, Holguin A, Smith O
Am J Public Health. 1981 Feb;71(2):168-70. doi: 10.2105/ajph.71.2.168.
The frequency and distribution of cases in two epidemics of St. Louis encephalitis in Houston, Texas are compared by age, sex, race, season, duration, geographic area and resources available. The second epidemic was far less severe than the first. The influence of community intervention on the observed differences between the two epidemics is discussed.
对得克萨斯州休斯顿市两次圣路易斯脑炎疫情中的病例频率和分布情况，按年龄、性别、种族、季节、病程、地理区域和可用资源进行了比较。第二次疫情的严重程度远低于第一次。文中讨论了社区干预对两次疫情间观察到的差异所产生的影响。
