旅途中由于生活不规律、受凉、劳累及卫生条件差等原因容易患急性上呼吸道感染。其发病不分年龄、性别、职业和地区,传染性强,并可引起较重的并发症,应积极防治。 急性上呼吸道感染是鼻腔、咽或咽喉部急性炎症的概称,大都由病毒引起,也可由细菌直接感染。这些病原微生物在人体防御功能降低时,原已存在于上呼吸道的或从外界侵入的病毒或细菌可迅速繁殖,引起本病。尤其是老幼体弱、或患有慢性呼吸道疾患,如鼻旁窦炎、扁桃体炎患者,更易诱发。 本病可通过含有病毒的飞沫或被污染的用具传播,多数为散发性,常在气候突变时流行。由于病 Travel due to irregular life, cold, fatigue and poor hygiene and other reasons susceptible to acute upper respiratory tract infection. Its incidence regardless of age, gender, occupation and region, contagious, and can cause serious complications, should be actively controlled. Acute upper respiratory tract infection is the general term for acute inflammation of the nose, pharynx or throat. Mostly caused by a virus, it can also be directly infected by bacteria. These pathogenic microorganisms in the body to reduce defense functions, the original already exists in the upper respiratory tract or from the outside world invade the virus or bacteria can quickly multiply, causing the disease. In particular, frail elderly, or suffering from chronic respiratory diseases, such as sinusitis, tonsillitis patients, more easily induced. The disease can be spread through droplets or contaminated utensils containing viruses, most of which are sporadic and are often endemic when the climate is mutated. Due to illness