感冒是常见病、多发病。成人每年平均患2～5次急性呼吸道感染，儿童平均2～7次，1／3的病人需要就诊[1]。据文献报道，35％的职工缺勤和67％的学生缺课均系感冒所致[2]。能够引起人类呼吸道感染的病原体有病毒、细菌、支原体、衣原体等。90％～95％急性呼吸道感染系由病毒所引? Cold is a common disease, frequently-occurring disease. Adults suffer from an average of 2 to 5 acute respiratory infections each year, with an average of 2 to 7 children, and 1 in 3 need treatment [1]. It has been reported in the literature that 35% of employees are absent and 67% of students are absent from school due to a cold [2]. Pathogens that cause respiratory infections in humans include viruses, bacteria, mycoplasma, and chlamydia. 90% ~ 95% of acute respiratory infections caused by the virus cited?