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Urticaria and coronavirus infection: a lesson from SARS-CoV-2 pandemic
A Allegra1,2, R Asero3, A Giovannetti4
1Division of Haematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Messina, Italy.
Summary:
Urticaria is a condition involving both skin and mucosal tissues characterized by the presence of wheals and/or angioedema. The acute form has been related to allergic reactions to drugs or foods, interaction with chemicals, or infections. We reviewed the association of urticaria with coronavirus infections. This review was carried out by the use of two search engines for published original articles, employing two key terms correlated to urticaria and viruses: "urticaria" and one term linked to each virus. The research of the relationships between SARS-CoV-2 and urticaria produced 18 papers (including a total of 114 cases). Surprisingly, the search for cases of urticaria in patients with SARS-CoV or MERS produced no results. We tried to interpret this discrepancy and attempted to analyze the possible pathogenesis of urticaria lesions in SARS-CoV-2.
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