Among Connecticut residents surveyed in 2018, 62,400 (9.7%) children and 290,300 (10.3%) adults suffered from asthma. In 2017, 7.9% of US children and 9.1% of US adults had asthma. Asthma is the single most avoidable cause of hospitalization, yet it is consistently one of the most common admitting diagnoses in pediatrics..