Pediatric asthma epidemiology: incidence, morbidity, and mortality.

Despite significant advances in understanding the pathophysiology of asthma and the development of pharmacologic agents for treatment, asthma prevalence, morbidity, and mortality continue to increase in most countries. This Article focuses on the epidemiology of asthma, specifically on the prevalence, incidence, morbidity, and mortality associated with pediatric asthma.