Following the discovery of a new sub-variant of the Omicron coronavirus variant in Denmark, the first research on this new strain shows that the so-called BA.2 subtype is more contagious than the previously dominant Omicron strain. According to the study, the risk of infection with BA.2 is more than twice as high as with subtype BA.1, the most common Omicron subtype and also the most common coronavirus variant worldwide. The higher rate of spread in BA.2 applies both to unvaccinated people, as well as in people with basic immunity and in those who have received booster jabs, say the authors of…