历史上的九月

History in September

September 28th,1928 Penicillin was discovered by Alexander Fleming.One day,when Fleming got back to his messy lab after vacation,he found one of the uncovered dishes near an open window was polluted by accident!Fleming noticed that the bacteria near the mold(霉菌)were dying.Fleming was surprised.With research,he named the“mold”Penicillin(青霉素).经过人们十几年的努力,青霉素于1942年开始大规模地生产,拯救了千百万肺炎、脑膜炎、脓肿、败血症等患者的生命。因发现青霉素及其治疗效果,弗莱明获得了1945年的诺贝尔生理学或医学奖。