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近日,山东非法经营疫苗案件引起公众对疫苗的关注:什么是疫苗?有何作用?疫苗有几类?疫苗不经冷链运输会有什么后果?担心接种的疫苗无效要不要补种?我们—起来读懂疫苗那些事。什么是疫苗?有何作用?疫苗是将病原微生物(如细菌、立克次氏体、病毒等)及其代谢产物,经过人工减毒、灭活或利用基因工程
Recently, the case of illegal operation of vaccines in Shandong aroused public concern about the vaccine: What is the role of the vaccine? There are several types of vaccines? The vaccine will be transported without the cold chain will have any consequences? Fear of vaccination vaccines should not be replant? We - Get up and read the vaccine. What is a vaccine? What is the role? Vaccine is the pathogenic microorganisms (such as bacteria, rickettsia, viruses, etc.) and its metabolites, after artificial attenuation, inactivation or utilization of genetic engineering