Analysis on epidemiological features of epidemic cerebrospinal meningitis in Quzhou City,1950-2006

Objective To understand the epidemiological features of epidemic cerebrospinal meningitis in Quzhou City,and to provide scientific evidence for formulation of relevant prevention and control measures.Methods The descriptive epidemiological method was applied to the analysis of the epidemiological features of epidemic cerebrospinal meningitis in Quzhou city from 1950 to 2006.Results The epidemic cerebrospinal meningitis reported a total of 30 294 cases including 1 455 deaths.The incidence rate of epidemic cerebrospinal meningitis was 28.11/100 000 on average per year,and the fatality rate of epidemic cerebrospinal meningitis was 4.80%.There were cases reported all-year with a higher occurrence in winter and spring and the highest occurrence in March accounting for 42.85% of the total of cases.The cases were mainly in children under 15 years concentrating on those living scatteredly or in nursery,who accounted for 36.60% of the total of cases.Conclusions It is necessary to enhance surveillance and the forecast of epidemic cerebrospinal meningitis,and concerning the change in the epidemic virus groups,to ensure routine preventive vaccination.It is signficant to control the occurrences and epidemics of epidemic cerebrospinal meningitis.