军团菌是引起军团菌病的一种急性呼吸道传染病病原体,广泛存在于自然界。近年来,中国大多数城市相继报导,军团菌污染情况普遍存在[1-2]。随着内蒙古自治区经济的迅速发展,城市大型建筑不断增加,中央空调使用量也在逐年增加。为了解呼和浩特市公共场所集中空调军团菌污染状况和特 Legionella is a pathogen that causes Legionnaires’ disease, an acute respiratory infection that is widespread in nature. In recent years, most Chinese cities reported one after another that Legionella contamination was widespread [1-2]. With the rapid economic development in Inner Mongolia Autonomous Region, large-scale urban construction is constantly increasing, and the use of central air-conditioners is also increasing year by year. To understand the public places in Hohhot air-conditioned Legionella contamination and special conditions