After developing EPI clinic in 1987,the incidence and mortality of encephalitis were decreased 60?47% and 64?82% respectively comparing with the period before developing EPI clinic.

 
  • 1987年開(kāi)展鄉計劃免疫門(mén)診后,發(fā)病率、病死率較開(kāi)展計劃免疫門(mén)診前下降了60.;47%25和64
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