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肺炎是常见疾患,自应用磺胺、抗菌素以来,对其防治取得了很大的成效。在美国,肺炎作为死亡原因已从第三位下降为第十六位,年死亡率降低为抗菌剂治疗前的三十分之一。在苏联,大叶性肺炎的死亡率1934年为22.8%,到1957年下降为0.003%。但在美国的平常年份(无呼吸道疾患大流行),每年仍有200-300万人患肺炎。我国大叶性肺炎的死亡率仍较高(0.4-8.06%)。
Pneumonia is a common disease, since the application of sulfonamides, antibiotics since its prevention and treatment has made great achievements. In the United States, pneumonia dropped from third to sixteenth as the cause of death and the annual mortality rate dropped to one-thirtieth of the pre-antibacterial treatment. In the Soviet Union, the mortality rate of lobar pneumonia was 22.8% in 1934 and decreased to 0.003% in 1957. However, in the usual United States of the year (no respiratory disease pandemic), there are still 20-3 million people suffering from pneumonia each year. The mortality rate of lobar pneumonia in our country is still high (0.4-8.06%).