Viruses have played a role in shaping human genetic variability, according to a study published February 19 in the open-access journal PLoS Genetics. The researchers, from the Don C. Gnocchi and Eugenio Medea Scientific Institutes, the University of Milan and the Politecnico di Milano, Italy, used population genetics approaches to identify gene variants that augment susceptibility to viral infections or protect from such infections.
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