Global Threat: Covid 19

This virus, which threatens the lives of billions, is not an ordinary infectious disease. The epidemic of this century: Global Threat: Covid-19.This virus, which threatens the lives of billions, is not an ordinary infectious disease. The epidemic of this century: Global Threat: Covid-19.This virus, which threatens the lives of billions, is not an ordinary infectious disease. The epidemic of this century: Global Threat: Covid-19.