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Updated: Aug 6, 2025
07:15
Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
Published on: January 16, 2019
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Genetic susceptibility to severe COVID-19
Claudio Cappadona1, Valeria Rimoldi2, Elvezia Maria Paraboschi2
1Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele - Milan 20072, Italy.
Summary
Host genetic factors significantly influence the severity of coronavirus disease 2019 (COVID-19). This review explores genetic signals associated with increased COVID-19 disease severity.
Area of Science:
- Genetics
- Virology
- Immunology
Background:
- Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19, with disease severity varying widely.
- Risk factors include age, sex, comorbidities, viral characteristics, and host genetics.
- Genetic studies are crucial for understanding disease mechanisms and identifying therapeutic targets.
Approach:
- This review synthesizes current literature on host genetic factors impacting COVID-19 severity.
- It covers COVID-19 symptomatology and SARS-CoV-2 infection mechanisms.
- Focuses on genetic associations with increased disease severity.
Key Points:
- Host genetic factors contribute significantly to COVID-19 clinical heterogeneity.
- Rapid advancements have identified genetic signals linked to different COVID-19 phenotypes.
- Understanding these factors is vital for predicting disease course and developing targeted therapies.
Conclusions:
- Host genetics play a critical role in determining COVID-19 severity.
- Further research into genetic factors can guide personalized medicine approaches.
- Identifying genetic predispositions may improve patient outcomes and pandemic response.
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