1 市场回顾及分析1.1 市场分析 自90年代初甲肝疫苗面世至今,随着产量的增加、市场范围的扩大,已经走过了市场旺销到初级衰落的过程。甲肝疫苗刚刚进入市场时,恰逢我国局部地区甲肝暴发,人们对于预防甲肝的意识普遍提高,加上当时产量较低,造成了甲肝疫苗的供不应求,市场上极其短缺的局面,在这种市场需求的刺激下,各生产厂家,纷纷增大生产量,扩大生产规模。在短短的两年时间内,使甲肝疫苗的产量从最初的100万人份猛增到近2000万人份,使没有准备的、不规范的市场难以承受,而从旺销逐步走到饱和甚至积压,而厂家和经营者的利润也随着产量的增加逐步降低。 1 Market Review and Analysis 1.1 Market Analysis Since the early 1990s when the Hepatitis A vaccine was introduced, as the output increased, the expansion of the market scope had passed the process of the market flourishing to the primary decline. Hepatitis A vaccine just entered the market, coincides with the outbreak of hepatitis A in some areas of China, people generally raise awareness of the prevention of hepatitis A, coupled with the current production is low, resulting in a shortage of hepatitis A vaccine in the market is extremely short of demand in this market demand Stimulation, the manufacturers, have increased production, expand production scale. In a short span of two years, the output of hepatitis A vaccine has risen sharply from the initial 1 million to nearly 20 million. As a result, unprepared markets have become unmanageable, and the trend has been gradually shifting from flourishing to even saturated Backlogs, while the profits of manufacturers and operators are also gradually reduced with the increase of production.