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应用集中度对如皋市 1980～ 1999年 8种主要传染病的季节性分布进行了分析。结果表明 ,流脑、乙脑有严格季节性 ;菌痢、百日咳有较强季节性 ;肝炎、猩红热季节性差。
The application concentration degree analyzed the seasonal distribution of eight major infectious diseases in Rugao from 1980 to 1999. The results showed that meningitis, Japanese encephalitis has a strict seasonal; bacillary dysentery, pertussis have a strong seasonal; hepatitis, scarlet seasonal poor.