Polish scientists have discovered a gene that they say more than doubles the risk of falling severely ill with, or even dying from Covid-19. The research from the Medical University of Bialystok estimates that the gene could be present in about 14% of the Polish population, compared with around 9% in Europe and 27% in India. It’s the fourth most important factor determining the severity of the illness after age, weight and gender, it said. Watch this video for more.
