According to Kryuchkov, “Delta” – in fact, a whole line of strains and mutations – has supplanted all the others, is the most tenacious and most infectious. In addition, these strains are able to adapt to immunity and are even able to elude antibodies formed as a result of vaccination.
“Since the summer, we have the“ Delta ”-line ousted everything else. This is the general name for a whole group of strains. Delta-line – its main problem is contagiousness. The limits of the evolution of the virus are somewhere close, I doubt that there will be a strain that, for example, will be twice as contagious. In addition, the virus adapts to immunity, ”the expert noted.