Key messages about asthma and COVID

key messages:
* People with asthma face no greater risk of becoming infected with COVID.(2)
* People with well-controlled asthma are not at greater risk of severe illness, going to hospital or dying from COVID, however people with severe or uncontrolled asthma (e.g. have needed oral corticosteroids or were hospitalised in the last 12 months) are. (1-6)

Categories: COVID
Author: Agnes
Entry Date: 19/05/2022
Source 1 Name: Dolby T, Nafilyan V, Morgan A, Kallis C, Sheikh A, Quint JK. Relationship between asthma and severe COVID-19: a national cohort study. Thorax. 2022 Mar 30:thoraxjnl-2021-218629. doi: 10.1136/thoraxjnl-2021-218629
Source 1 URL:
Source 2 Name: National Asthma Council, Australian Asthma Handbook. COVID-19.
Source 2 URL:
Source 3 Name: Global initiative for Asthma. Interim guidance about COVID-19 and asthma, updated 10 feb 2022.
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Source 4 Name: Shi T, Pan J, Vasileiou E, Robertson C, Sheikh A; Public Health Scotland and the EAVE II Collaborators. Risk of serious COVID-19 outcomes among adults with asthma in Scotland: a national incident cohort study. Lancet Respir Med. 2022 Jan 13:S2213-2600(21)00543-9. doi: 10.1016/S2213-2600(21)00543-9
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Source 5 Name: Shi T, Pan J, Katikireddi SV, McCowan C, Kerr S, Agrawal U, Shah SA, Simpson CR, Ritchie LD, Robertson C, Sheikh A; Public Health Scotland and the EAVE II Collaborators. Risk of COVID-19 hospital admission among children aged 5-17 years with asthma in Scotland: a national incident cohort study. Lancet Respir Med. 2022 Feb;10(2):191-198. doi: 10.1016/S2213-2600(21)00491-4.
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Source 6 Name: Bloom CI, Drake TM, Docherty AB, Lipworth BJ, Johnston SL, Nguyen-Van-Tam JS, et al. Risk of adverse outcomes in patients with underlying respiratory conditions admitted to hospital with COVID-19: a national, multicentre prospective cohort study using the ISARIC WHO Clinical Characterisation Protocol UK. Lancet Respir Med. 2021;9(7):699-711.
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