预防用生物制品是我们用来预防、控制或消灭人类传染病的有力武器,它不同于普通的药品和食品,它是一个特殊的商品,所谓特殊,就在于它从生产、运输、储存直到使用都必须在冷藏条件下进行。各级政府投入大量的人力、物力、财力从省到县、一直到村都装备或建立了一套比较完整的冷链系统。与此同时,国家还颁发了一系列的 Preventive biological products are powerful weapons we use to prevent, control or eliminate human infectious diseases. Unlike traditional medicines and foods, preventive biological products are special commodities that are so special that they are used from production, transport and storage until they are used All must be carried out under refrigerated conditions. Governments at all levels have invested a great deal of manpower, material and financial resources from the province to the county and have been equipped or set up a relatively complete cold chain system to the village. At the same time, the country has also issued a series of