For the whole history of humanity, we are having meeting with many variations of virus and not always people able win verses disease, but it does not mean, that we do not have to fight. Poor countries, of course, have more hardly survive, then rich, because medicine level absolutely to connect with level of education and level of university, which make a doctor, and, for example, Eswatini: this country has nothing of the aforementioned, that made it most infected with aid per person according to statistics.