Eosinophilic inflammation, coronavirus disease 2019, and asthma: Are inhaled corticosteroids the missing link?

Document Type

Letter to the Editor

Publication Title

Annals of Allergy, Asthma & Immunology

Volume

127

Issue

2

First Page

278

PubMed ID

34348851

Publisher

Elsevier

School

School of Medical and Health Sciences

Comments

Ramakrishnan, S., & Bafadhel, M. (2021). Eosinophilic inflammation, coronavirus disease 2019, and asthma: Are inhaled corticosteroids the missing link? [Letter]. Annals of Allergy, Asthma & Immunology, 127(2), 278. https://doi.org/10.1016/j.anai.2021.03.029

Abstract

We congratulate Dr Ho et al1 on their work that further clarified the relationship between blood eosinophils, asthma, and the risk of severe coronavirus disease 2019 (COVID-19). They leveraged data from their large clinical network, which unlike others,2,3 includes outpatients diagnosed as having COVID-19. The authors effectively reveal that in asthma and in health, having a raised blood eosinophil count is protective against severe COVID-19 and associated mortality.

DOI

10.1016/j.anai.2021.03.029

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