Table 1.

Statistics showing the adverse impact of Coronaviruses globally [8,11].

Disease type	Year	Fatality ratio	Total deaths reported	Total affected countries
Severe acute respiratory syndrome (SARS CoV-1)	2003	14–15%	813	32
Middle East respiratory syndrome (MERS)	2012	34.3%	858	27
Severe acute respiratory syndrome 2 (SARS CoV-2)	2019	12.3% ↑	362,081↑	213 ↑