4.6 Editorial Material

Host genetic variability and determinants of severe COVID-19

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Summary: SARS-CoV-2 infection is generally mild, but in around 10% of cases, it can lead to severe pneumonia and potentially death. Genetic factors, such as inborn errors of type I interferons, and pre-existing auto-antibodies can increase the risk of critical illness. The production of type I interferons is essential for host defense against the virus.

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