The application and evaluation of control strategies of epidemic encephalitis B in Guangxi / 预防医学

ABSTRACT

Objective ToanalyzetheepidemiccharacteristicsofepidemicencephalitisBinGuangxiZhuangminority autonomousregionduring2005-2012andtoevaluatethecontrolstrategies.Methods Descriptiveepidemiological methods were used to compare epidemic characteristics before and after conducting the national expanded program of immunization.Then all the strategies conducted by local department including seasonal vaccination enhancing,ordinary vaccination,emergencyvaccination,regularvaccinationandmonitorsystemestablishingwereevaluated.Results During 2005 -2012,a total of 1 135 cases were recorded with the annual average incidence of 0.29/100000 and this rate declined every year by 16.80%.Additionally,the incidence rate was seasonal.The peak day (July 1 st)of incidence and the peak period (June 2nd-July 29th)of epidemic were delayed after conducting the expanded program of immunization.The scope of epidemic-stricken area was narrowed down.However,the incidence was still high (1.11 ~1.79/100,000)in the groupofchildrenaged5-7years.Conclusion TheoutbreakandepidemicofepidemicencephalitisBwereterminated owing to the establishment of monitor system and immunity strategy.The epidemic circle was broken and the incidence rate dropped to its lowest level in history.