Impact of lymphopenia on COVID-19 infection severity

الملخص EN

Coronavirus disease-2019 (COVID-19) is an infectious disease caused by a new Coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-COV-2).

world health organization (WHO) first learned of this new virus on December 31, 2019, following a report of a cluster of cases of “viral pneumonia” in Wuhan, people's republic of china.

WHO declared the outbreak a public health emergency of international concern on January 30, 2020, and a pandemic on march 11, 2020.

globally according to WHO data, as of September 9, 2021 there were 4, 592, 934 deaths occurred due to this disease.