Coronavirus disease 2019 (COVID-19) is
a highly infectious respiratory syndrome
caused by the Severe Acute Respiratory
Syndrome Corona virus 2 (SARS-CoV-2)
virus. The symptoms include shortness of
breath, high fever and dry cough.
The disease broke out in China towards the end of 2019
and has since spread across the world and mutated into
four other variants: Alpha, Beta, Gamma and Delta.