(b) of the acute phase (wet period): about 2-7 days, are beginning to have stuffy nose, increased nasal secretions, sneezing and nasal itching, nasal speech was occlusive, hyposmia.

• （二）急性期（湿期）：约2-7天，渐有鼻塞，鼻分泌物增多，喷嚏和鼻腔发痒，说话呈闭塞性鼻音，嗅觉减退。