Methods Descriptive epidemicmethod and statistics method were used.
方法用描述流行病学方法和统计学方法。
2
Methods Uses the description epidemiology investigation method to the Lijiang infectious disease and measles epidemic reporting data and the observation system data to carry on the analysis.
方法对丽江市传染病及麻疹疫情报告数据和监测系统数据采用描述流行病学调查方法进行分析。
3
Objective To explore the epidemic conditions of rheumatic fever (RF) with a simple method at some regions.