春天变化多端的气候,常会使人的呼吸道黏膜的防御功能受到直接影响,同时引起全身抗病能力的相对下降。此时,原来潜伏于鼻咽部或漂浮在空气中的病毒、细菌等病原微生物会乘虚而 The ever-changing climate in spring often causes a direct impact on the defensive function of human respiratory mucosa and at the same time causes a relative decline in systemic disease resistance. At this point, the original latent in the nasopharynx or floating in the air of viruses, bacteria and other pathogenic microorganisms take advantage of