Up to    1st of  June 2020  COVID 19 pandemic  affected more than   6  million people worldwide with more than 350,000 case fatalities , putting healthcare systems under severe strain .
At this issue of Afro-Egyptian Journal of Infectious and Endemic Diseases ; a review article titled "The SARS-COV2 (COVID-19) Pandemic: What clinicians should knew"(page:65-92) discussing virology, pathogenesis, clinical picture, investigations and treatment  of covid19  which is a novel coronavirus, now designated SARS-CoV-2, emerged  and  was identified as the cause of an outbreak of acute respiratory illness in Wuhan, a city in China in late 2019.