Multiple manifestations of uncontrolled asthma increase the risk of severe COVID-19.

"Declaration of competing interest Stina Selberg declarations of interest: none. Johanna Karlsson Sundbaum declarations of interest: none. Jon R. Konradsen declarations of interest: none. Helena Backman has received personal fees for scientific presentations from AstraZeneca, Boehringer Ingelheim, and Glaxo Smith Kline, outside the submitted work. Linnea Hedman declarations of interest: none. Anne Lindberg reports personal fees from Boehringer Ingelheim, GlaxoKlineSmith, AztraZeneca and Novartis outside the submitted work. Caroline Stridsman has served in an advisory board and/or participated in education arranged by AstraZeneca, Boehringer Ingelheim, and Novartis."

"Funding This work was supported by the 10.13039/501100003793Swedish Heart-Lung Foundation under Grant 20200308, the 10.13039/501100010234Asthma and Allergy Association, Region Norrbotten and the Swedish Respiratory Society."