(1) Conclusion The epidemicity of leprosy has been continuously dropping in Zhejiang Province due to the sustained effort and effective control.

(2) Epidemicity yellow fever assaults , Houston early phase develops slowly since being located in many muddy swamps and being suffering, be to transport the cotton harbour only.

(3) The "epidemicity" of war has one other clear implication: War cannot be used as a means to prevent or abolish war.

(4) We believe that will be used widely in leprosy epidemiology and controlling leprosy epidemicity.

(5) It is the public health problem of high fatal and rapid epidemicity of AIDS in all over the world.

(6) Based on a 8-year surveillance data, a factor analysis theory was used to analyze the 12 risk factors influencing the epidemicity of epidemic cerebrospinal meningitis.