COVID-19 infection may trigger poor asthma control in children

Abstract

Respiratory viral infections are major triggers of asthma exacerbations, including coronaviruses.1 It was therefore unexpected that asthmatic children have not experienced increased exacerbations during the COVID-19 pandemic caused by the novel severe acute respiratory syndrome coronavirus-2 (SARS-COV-2) virus.2 In fact, we previously found a dramatic reduction in asthma morbidity after mid-March 2020 compared with previous years, which was plausibly associated with fewer respiratory viral illnesses during stay-at-home measures.