INSIGHT OF PANDEMIC COVID-19: DEVELOPMENTS AND CHALLENGES

This review focuses on the characteristics of coronavirus disease-19 (COVID-19)including virus structure, ecoepidemiology and pathophysiology, signs symptoms in infectedpeople, data pathogenicity, severity, survivability COVID-19 infected patients. Theemphasis is immunological reactions, diagnosis, prophylactic methods, zoonoticsignificance COVID-19. The authors feel that review's contents will be valuable toepidemiologists, virologists, public health officials, diagnosticians, laboratory workers,environmentalists, socioeconomic experts. It has information many types coronavirusvariants, disease situation Pakistan WHO criteria for prevention given.Moreover, lessons learned from pandemic are also outlined.