疫苗进入治病时代200年前,英国医生詹纳给一个8岁男孩接种了挤奶女工所患牛痘疱疹中的浆液,成功的让他获得了对天花的免疫力,从此开创了疫苗免疫的时代。今天,疫苗已成为人类对抗传染病的重要武器,全世界平均每年被各种疫苗拯救的生命足有300多万。疫苗不仅方便有效,而且成本低廉,例如麻疹疫苗,一支只需要几块钱而已。 Vaccine enters the era of treatment 200 years ago, the British doctor Jenna to an 8-year-old boy was vaccinated milking female workers suffering from vaccinia herpes in the slurry, successfully let him gain immunity to smallpox, and thus created a vaccine immunization era . Today, the vaccine has become an important weapon for mankind to fight infectious diseases and there are over 3 million lives saved by the various vaccines on the world each year on average. Vaccines are not only convenient and cost-effective, but also cost-effective, such as measles vaccine, which costs only a few bucks.