20世纪是人类历史上科学发展最迅速的一百年,抗生素的发现使人类成功地控制了细菌引起的感染性疾病,疫苗的研制和计划免疫工作的开展使人类成功地消灭了天花,并且正在有计划地消灭脊髓灰质炎和麻疹,医疗水平的提高使人们已经可以治愈部分肿瘤。随着千禧年的到来,人们不禁要问,21世纪我们会得什么病? 新旧疾病谱 The twentieth century was the fastest one hundred years of scientific development in human history. The discovery of antibiotics has led to the successful control of infectious diseases caused by bacteria by human beings. The development of vaccines and planned immunization work have succeeded in eliminating smallpox in humans. Polio and measles have been eliminated on a planned basis and improvements in medical care have made it possible to cure some tumors. With the advent of the millennium, people can not help but wonder what is going to happen to us in the 21st century?