普通感冒是由不同类型病毒引起的一种急性、扩散性上呼吸道感染,感冒病人直接或间接地通过飞沫等途径传染给一些抵抗力差的人群。当人们觉察到有感冒症状的时候,实际上病毒已复制到惊人的地步。感冒虽然是一种最普通的疾病,却也给人们的工作、学习带来困扰。近年来,在国外的军队里应用口服疫苗的治疗,可在小范围控制感冒流行,但这种方法不可能广泛地使用。现有的抗病毒药对某些 Common cold is caused by different types of viruses, an acute, diffuse upper respiratory tract infection, cold patients directly or indirectly through droplets and other means of transmission to some people with poor resistance. When people are aware of a cold symptoms, in fact the virus has copied to astonishing proportions. Although cold is one of the most common diseases, it also brings troubles to people’s work and study. In recent years, the use of oral vaccines in the military in foreign countries has made it possible to control the prevalence of influenza in small areas, but this method can not be widely used. Existing antiviral drugs to some