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疫情资料是反映一个地区传染病发病情况的重要依据，通过对其分析可以了解传染病的流行特征及趋势，以便为今后的防治对策提供参考。本文对1981～1995年怀化地区甲乙两类传染病疫情资料进行了分析。一、资料与方法1．资料来源1981～1995年怀化地区卫生防疫站疫情年报资料，其中
Epidemic data reflect the incidence of infectious diseases in an area an important basis for the analysis of epidemiological characteristics and trends can be understood in order to provide reference for future prevention and treatment measures. This article analyzes the epidemiological data of two kinds of infectious diseases of A and B from 1981 to 1995 in Huaihua area. First, data and methods 1. Data from 1981 to 1995 Huaihua epidemic prevention and epidemic station annual report information, of which