论文部分内容阅读
H5N1原是感染鸟类的流感病毒,但1997年在香港直接感染人类,造成18人感染6人死亡,病死率超过30％,超出想象。流行性感冒大都发生在冬季,但此型病毒感染却发生在流感的非流行期,引起大众的恐慌,担心此型流感的发展会大流行,造成人类的浩劫。幸好香港特区政府处理得宜,随即实施鸡只扑杀政策,终于成功遏制了H5N1流感病毒的流行。1999年香港有2位儿童感染H9N2型流感病毒,这种病毒在国内大陆、欧洲、中东、南非及美国的家禽间也曾经造成流行,香港的H5N1型禽流感病毒流行期间,从鹌鹑中分离到的H9N2非常接近从人类分离到的H9N2型流感病毒,H9N2与
H5N1 was originally a bird flu virus. However, in 1997, people were directly infected in Hong Kong, killing 18 people and killing 6 people. The fatality rate exceeded 30%, exceeding the imagination. Most influenza occurs in winter, but this type of virus infection occurs in the non-epidemic period of influenza, causing public panic, worried that the development of this type of influenza pandemic, causing human havoc. Fortunately, the HKSAR Government properly handled the policy of culling chickens and finally succeeded in containing the H5N1 influenza virus. Two children in Hong Kong were infected with the H9N2 influenza virus in 1999. This virus has also been endemic in domestic poultry between Mainland China, Europe, the Middle East, South Africa and the United States. During the epidemic of the H5N1 bird flu virus in Hong Kong, it was isolated from quails Of H9N2 is very close to human isolated from H9N2 influenza virus, H9N2 and