The become frequent cases of measles are connected with decrease in collective immunity at a pandemic of Koronavirus

The cases recorded in recent months in several Russian regions of measles are connected with the general easing of collective immunity of the population in the period of a pandemic of Koronavirus. Alexander Semenov, the Dr.Sci.Biol., the director Federalnogo virus infections "Vir" Federal Supervision Agency for Customer Protection and Human Welfare...