由于担心注射疫苗后可能引起哮喘恶化,许多哮喘患者未接受每年注射流感疫苗的劝告。英国卫生部疫苗和免疫联合会认为需行随机双盲交叉试验比较灭活疫苗与安慰剂对哮喘的影响,以及注射疫苗对感冒后哮喘恶化的作用。本文对此进行了研究。方法　选取年龄18～75岁的哮喘患者,病情稳 Fear of the possibility of asthma exacerbation after vaccination, many asthmatics have not been advised of an annual flu shot. The British Ministry of Health Vaccine and Immunization Association that the need for randomized double-blind crossover test compared inactivated vaccine and placebo on the impact of asthma and vaccination on the deterioration of post-cold-induced asthma. This article has carried on the research. Methods asthma patients aged 18 to 75 years old, stable condition