回顾人类历史,传染病流行发生过多次。每一次暴发流行,都给人类带来了巨大的灾难。然而从古至今,在与传染病斗争的历史上,人类不但从来没有屈服过,而且充分利用自己的聪明和才智,一次又一次地战胜了疾病的威胁。事实证明,疫苗是预防传染病的一种最有效的方法,在与“非典”的斗争中,科学家们正在夜以继日地为开发出有效的疫苗而奋斗着。在此,让我们透过历史来了解疫苗。 Recalling human history, the epidemic has taken place many times. Every outbreak has brought great catastrophe to mankind. However, from ancient to present, in the history of the struggle against infectious diseases, human beings have never surrendered to the threat of disease again and again, using their own intelligence and intelligence. Vaccines have proved to be the most effective way to prevent infectious diseases. In the battle with SARS, scientists are struggling day and night to develop effective vaccines. Here, let’s understand the vaccine through history.