Sexual dimorphism in sars-cov-2 infection

Abstract

Previous studies have demonstrated that female patients with coronavirus disease 2019 (COVID-19) demonstrate more favorable prognosis relative to male patients. In this article, we elaborate the possible role of estrogen in the modulation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection severity. The potential interplay between several factors, including inherently lower estradiol (E₂) and slightly higher estrogen receptor β (ERβ) levels in males, with inflammatory mediators are described. Altogether, there seems to be a sexually dimorphic response towards SARS-CoV-2 infection, and a possibility that COVID-19 severity is dependent on both E₂ levels and ERα:ERβ expression ratio in lymphoid and lung cells.

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