Sexual Dimorphism of Coronavirus 19 Morbidity and Lethality

Maria Luisa Brandi1, Andrea Giustina2

  • 1Department of Biomedical, Experimental and Clinical Sciences, University of Florence, Florence, Italy.

Insights

Men experienced more severe coronavirus disease 2019 (COVID-19) than women, suggesting sex hormones influence infection severity. This review explores sex differences in aging and COVID-19, recommending sex-specific management strategies.

Area of Science:

  • Endocrinology
  • Infectious Diseases
  • Gerontology

Background:

  • The coronavirus disease 2019 (COVID-19) pandemic revealed significant sex-based disparities in disease severity, with males exhibiting higher rates of critical illness.
  • Age-dependent susceptibility and mortality observed in the elderly further suggest a complex interplay of factors influencing COVID-19 outcomes.

Purpose of the Study:

  • This review aims to elucidate the role of sex hormones in determining the clinical course of COVID-19 infection.
  • It will examine the differences in aging between males and females and their impact on COVID-19 phenotypes.
  • The study seeks to provide a foundation for sex-specific management strategies for COVID-19.

Main Methods:

  • This review synthesizes existing literature on sex hormones, aging, and COVID-19.
  • It analyzes data on disease severity and mortality across different sexes and age groups.
  • The review focuses on the biological mechanisms underlying sex dimorphism in infectious diseases.

Main Results:

  • Evidence suggests that sex hormones play a crucial role in modulating the immune response and disease progression in COVID-19.
  • Differences in aging processes between males and females contribute to varied susceptibility and clinical manifestations of the infection.
  • Key phenotypes of COVID-19 infection are influenced by sex-specific hormonal profiles.

Conclusions:

  • Sex hormones are identified as primary determinants of COVID-19 clinical course and severity.
  • A dimorphic approach, considering sex-specific biological differences, is essential for effective disease management.
  • Implementing sex-specific management strategies for COVID-19 is recommended to improve patient outcomes.

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