近 4 0年来 ,哮喘的发病率在西方许多国家有所增高 ,此外 ,在发展中国家的不同地区 ,哮喘的特点和发病率也不相同。本文作者在非洲的肯尼亚的农村和城市分别调查儿童哮喘的特点 ,并以美国亚特兰大的儿童作为对照。对象和方法　在肯尼亚首都远郊的一个农村 (ｋａｂａｔｉ)小学随 The incidence of asthma has risen in many countries in the West in the last 40 years. In addition, the characteristics and incidence of asthma in different regions of developing countries are also different. The authors investigated the characteristics of childhood asthma in rural Kenya and in cities in Kenya in Africa and compared them to children in Atlanta, the United States. The objects and methods follow in a rural (kabati) elementary school in the outskirts of Kenya’s capital