论文部分内容阅读
一些已根除的传染病死灰复燃,人类健康仍面临着传染病的严重威胁,世界同各种传染病作斗争的任务更加艰巨。1995年全世界因传染病死亡的人数达1700多万,其中900万是儿童。报告说,近20年间新出现和复出的传染病至少有30种,许多传染病威胁着世界1/2的人口。因防治措施未得到有效实施,一些已经绝迹或正在根除的传染病,如霍乱、疟疾和肺结核等在世界许多地方死灰复燃。艾滋病、埃博拉出血热等易传染疾病的出现对人
The eradication of some eradicated infectious diseases and the continued threat of infectious diseases to human health continue to make the world’s task of fighting various infectious diseases even more arduous. In 1995, more than 17 million people died of infectious diseases in the world, of whom 9 million were children. According to the report, there are at least 30 new and emerging infectious diseases in the recent 20 years, many of which threaten the entire world’s population. As prevention and control measures have not been effectively implemented, some infectious diseases that have disappeared or are being eradicated, such as cholera, malaria and tuberculosis, have resumed in many parts of the world. AIDS, Ebola, hemorrhagic fever and other infectious diseases appear to people