水痘这种疾病,不会危害生命,大多可以痊愈,甚至一辈子只得一次,且水痘疫苗在我国被归为二类疫苗,到底有没有必要接种呢?水痘疫苗的发展史及其在我国的应用情况是怎样的?水痘是急性呼吸道传染病,由水痘-带状疱疹病毒首次感染后引起。1974年,日本人Takahashi成功地建立了水痘疫苗OKa株,经临床研究证实具有较好的保护效力。该毒株经过世界卫生组织认证推荐给全世界各国使用。1984年第一个水痘疫 The disease of chickenpox, will not endanger life, most can be cured, and even once in a lifetime, and varicella vaccine in our country is classified as two types of vaccines, in the end there is no need for vaccination? The history of the development of varicella vaccine and its application in our country What is it? Chickenpox is an acute respiratory infection caused by the first infection of a chickenpox-herpes zoster virus. In 1974, Japanese Takahashi successfully established the strain of varicella vaccine OKa, which has been proved to have good protective efficacy by clinical studies. The strain is certified by WHO and recommended to all countries in the world. The first chickenpox in 1984