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人类发展已进入21世纪,千百年来一直困扰着人类的各种传染病仍然在严重威胁着我们的健康和生命。据WHO统计,平均每年有1700多万人死于各种传染病,约占全球死亡人数的1/3。近20年来新发现的引起传染病的病原体就有30多种,而曾经得到有效控制的老的传染病又重新抬头,再度蔓延,所
Human development has entered the 21st century. The various infectious diseases that have plagued humankind for thousands of years are still a serious threat to our health and life. According to WHO statistics, on average, more than 17 million people die of various infectious diseases each year, accounting for about one third of the global death toll. Over the past 20 years, newly discovered infectious diseases caused by more than 30 kinds of pathogens, and once the effective control of the old infectious diseases is again recalled, once again spread,