[Epidemiological analysis on inpatients with epidemic encephalitis B at No. 1 Hospital of Lian Yungang from 1988-1996].
To study the morbidity and mortality of inpatients with epidemic encephalitis B (EEB) admitted to No. 1 hospital of Lian Yungang city from 1988-1996, 107 inpatients with EEB in the pediatrics department the hospital were analyzed epidemiologically. Results showed that 107 children with EEB had a proportion of 0.65% to all children admitted in the pediatrics department during that 9 years including 98 cases from the countryside and 9 cases from cities. The ratio was 10.8/1.0 when comparing countryside to city. 87 inpatients (81.3%) of EEB children were below 4 year of age consisting. Most patients were infected in late July or early August in 1990 and 1992 with number of 55 out of 107 (51.4%) that consisted 1.56% and 1.53% of the inpatients in pediatrics those years. It was concluded that EEB had a strict seasonal feature. By comparing data from the first 4 years with the latter 5 years, we noticed that the incidence of the latter had a considerable decrease with more milder cases. The morbidity and mortality of the whole city also appeared a decreasing tendency.
D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D004672:Encephalitis, Japanese / Q000453:epidemiology* / Q000401:mortality; D005260:Female; D006801:Humans; D007223:Infant; D007297:Inpatients; D008297:Male; D009017:Morbidity; D012621:Seasons