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在传染病大体已能控制的今天,人们常不易体会到铺平这一道路的开拓者们所历尽的艰辛。伟大的法国科学家巴斯德,1822年出生在一个皮匠家里。那个时代,对横行猖獗的传染病束手无策。鼠疫流行曾使一些城市堆尸遍地,侥幸活下来的不过十之一、二。传染病成为人类尤其是母亲和儿童的大敌。英格兰女王安妮,生下十七个小孩,其中十六个在婴儿时期便天折,剩下的那个也只活到了十二岁,一般平民更可想而知。医生们既不知道鼠疫、霍乱、伤寒……这些可怕的疾病是什么原因引起和传播的,更不知道怎样去治疗,去预防。
Today, infectious diseases are largely under the control of the people, people often find it hard to understand the hardships experienced by pioneers who have paved the way. Pasteur, a great French scientist, was born in 1822 in a cobbler’s home. That era, at no cost to the rampant epidemic. Plague epidemic has made some city piles corpse, but luckily survived ten one, two. Infectious diseases become enemies of human beings, especially mothers and children. Queen Anne of England, who gave birth to 17 children, 16 of whom were day-old in infancy and only 12-year-old to the rest. Civilians in general were even more envisioned. Doctors do not know plague, cholera, typhoid fever ... ... what are the causes of these terrible diseases and spread, but do not know how to treat, to prevent.