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The article by Marco et  al1 titled “Asthmatic patients in COVID-19 outbreak: few cases despite many cases” discusses the prevalence of asthma in patients with coronavirus disease 2019 (COVID-19) in the Northeast of Italy. The low prevalence of asthma in patients with COVID-19 in Italy1 was consistent with what we obs erved in our study,2 but was much lower than those from the United States3 and Dublin.4 The reasons behind the regional difference in asthma with COVID-19 are worth discussion.
Source: Journal of Allergy and Clinical Immunology - Category: Allergy & Immunology Authors: Tags: Correspondence Source Type: research