Abstract:
On 30 January 2020, World Health Organization (WHO) declared the outbreak due to a novel
coronavirus, severe acute respiratory syndrome corona virus 2 (SARS-CoV-2), also known as
COVID-19, as a public health emergency of international concern (PHEIC). It was first reported
to WHO on December 31, 2019. By 12 March 2020, due to its rapid global spread, the outbreak
was declared a pandemic. As of September 21, 2021, the pandemic has already caused the loss of
more than 4.6 million lives. The world is employing different strategies to tackle the pandemic.
