近年流行病学研究普遍认为,在世界范围内,哮喘,尤其是职业性哮喘(occupational asthma,OA)的发病率有逐年增高的趋势,OA占职业病的比重也将逐渐增高。这与工业发展、工业人口增多、人们物质生活水平的提高以及环境污染等因素有关。随着我国加入WTO及世界经济日益全球化,各工业 In recent years, epidemiological studies generally believe that in the world, the incidence of asthma, especially occupational asthma (OA), has been increasing year by year, and the proportion of OA in occupational diseases will also gradually increase. This is related to factors such as industrial development, an increase in the industrial population, the improvement of people’s material living standards and environmental pollution. With China’s accession to the WTO and the globalization of the world economy, all industries