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早春时节,气温多变,寒潮常袭,是各种疾病包括感冒、流感和SARS病毒的高发季节。这是因为早春季节气温变化大,尤其在冬春转换时节,乍暖还寒,早晚温差悬殊,室内外温差也较明显,倘若稍不注意,就容易着凉感冒。正常人的呼吸道表面粘膜有一定预防能力,但反复受到冷空气的刺激,会使其
In the early spring, the temperature is changing and the cold wave is often attacked. It is a high season for various diseases including cold, flu and SARS. This is because the temperature has changed greatly in early spring, especially during the winter and spring transitional periods. It turns warm and cold again sooner or later, and the temperature difference between morning and evening is very poor. The temperature difference between indoor and outdoor is also obvious. If it is not noticeable, it is easy to catch a cold. Normal human respiratory tract mucosa have a certain ability to prevent, but repeated cold air stimulation, will make it