昨天有人在facebook发的1957年新加坡大流感的情况The 1957 outbreak hit Singapore in May and infected over 150,000 people. While widespread, it was relatively mild but still killed 28 people in Singapore. Schools were closed for 11 days but although people were warned to keep away from crowded places (an early form of safe distancing), those who were infected were usually not very ill and continued to go out, spreading the virus. The MInister for Health then A.J. Braga said it was not possible to stop the infection short of closing the borders and ports of Singapore and Malaya, which he said was 'unthinkable'. 新加坡影响最严重的就是1957年5月份，6月份就好转了很多。 查了下中文的报道： 1957 年亞洲流感是二戰後最大的甲型流感爆發。根據澳洲醫學史家 Lachlan M. Strahan 的研究，病毒首先在 1957 年 2 月於中國貴州爆發，大陸的流行病學家也認同相關觀點。由於中國一些地區人口擠迫，農民與雞鴨接觸頻繁，病毒很容易因為「基因洗牌」變種成超強病毒，而亞洲流感 H2N2 病毒就發現了禽鳥型流感基因。大流感於 3 月傳遍全國省市，包括北京，4 月 (more...)