Researchers find gene variant protective against severe COVID

An international team of researchers has discovered a specific gene variant that protects against severe COVID-19 infections.

Researchers at the Karolinska Institutet in Sweden, the Lady Davis Institute of the Jewish General Hospital in Canada and the VA Boston Healthcare System in the US studied gene datasets collected from people of different ancestries which they say "highlights the importance of conducting clinical trials that include people of diverse descents."

Published in the journal Nature Genetics, the study analyzed 2,787 hospitalized COVID-19 patients of African ancestry and 130,997 people in a control group from six cohort studies.

Eighty percent of the individuals of African ancestry carried the protective variant, the study suggested, and later compared it with a previous study of individuals of European heritage.

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