感冒是一种病毒感染引起的传染性疾病。经常感冒,不仅影响工作、学习和生活,而且会使人的体质减弱,有害身体健康,还易引发或加重其它疾病,症状严重者,甚至可能危及生命。普通感冒与流感有所不同:普通感冒一般症状较轻,主要表现为鼻塞、流鼻涕、打喷嚏、发烧、咳嗽等;而流感的症状却比较 Cold is a contagious disease caused by a viral infection. Often cold, not only affects work, study and life, and will make people’s physical weakened, harmful to health, but also easily lead to or aggravate other diseases, severe symptoms, and may even endanger life. Common cold and flu are different: the common cold common symptoms, mainly as stuffy nose, runny nose, sneezing, fever, cough, etc .; and flu symptoms are more