近来,我国北方地区上呼吸道感染较为活跃,卫生部组织专家对全国流行性感冒(流感)疫情形势进行了分析和预测,认为我国已进入2006~2007年流感流行的高峰期,故广大医务工作者应提高认识,以应对可能出现的疫情。流感病毒在病毒分类学上属正黏病毒科,根据病毒粒核蛋白(NP)和膜蛋白(M Recently, upper respiratory tract infections in the northern part of our country have been more active. Experts from the Ministry of Health have conducted an analysis and forecast on the epidemic situation of influenza in the whole country. They think that our country has entered the peak period of influenza pandemic from 2006 to 2007, so the majority of medical workers Awareness should be raised in response to possible outbreaks. Influenza viruses are orthomyxoviridae in viral taxonomy and are based on the viral nucleocapsid protein (NP) and membrane protein (M