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随着计划免疫接种的落实、卫生状况的改善和疾病控制的国际合作 ,传染病发病率有不同程度的降低。然而 ,传染病仍是世界上最常见的高发疾病 ,传染病的防治任务还十分严峻 ,一些被控制的疾病如淋病、梅毒等又死灰复燃 ,病毒性肝炎、菌痢及流行性感冒等发病率还很高。为了有效地
With the planned implementation of immunization, improvement of health conditions and international cooperation in disease control, the incidence of infectious diseases has been reduced to varying degrees. However, infectious diseases are still the most common high-risk diseases in the world. The prevention and treatment of infectious diseases are still very serious. The incidence of some controlled diseases such as gonorrhea and syphilis has also resumed. The incidence of viral hepatitis, bacillary dysentery and influenza has also been on the rise High. In order to effectively