《新医学》1973年第一期刊登的《坚持“预防为主”积极防治感冒》一文读后,觉得在设计和观察中存在一些问题,特提出供参考。感冒是一种极易发生的最普通的疾病,其发病与否,受许多因素影响,例如气候变化、机体抵抗力、人群密集程度、居住情况以及居民的卫生知识和卫生 After reading the article, “Insisting on Prevention” and “Active Prevention of Colds”, published in the first issue of New Medicine in 1973, I feel there are some problems in the design and observation, especially for reference. Colds are the most common diseases that can easily occur and are affected by many factors, such as climate change, body resistance, crowdedness, living conditions and residents’ hygiene knowledge and hygiene