COVID-19 (Coronavirus Disease) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus. The COVID-19 pandemic is a global outbreak of coronavirus in which the cases were first detected in Wuhan, China in December 2019. COVID-19 virus is highly contagious and it causes life-threatening illness, death and is still evolving with new mutations. Currently BA.4 and BA.5 of Omicron variant is causing most cases. The courses offer more information on COVID-19.
