Table 1.

The overview of the emerging corona viruses.

		SARS-CoV	MERS-CoV	SARS-CoV-2	REF
1	Epicentre	Guangdong Province (2002)	Arabian Peninsula (2012)	Global Pandemic	[5], [6], [7], [33]
2	Nomenclature	Betacoronavirus, subgenus Sarbecovirus	Betacoronavirus, subgenus Merbecovirus	Betacoronavirus, subgenus Sarbecovirus Beta-CoV lineage B	[3], [10], [11]
3	Reservoir	Bat, Palm civets	Bat, Camels	Bat, Snakes	[37], [38]
4	Population Affected	8096	>2000	>4,000,000	[5], [20], [26], [28], [29], [30], [33]
5	Incubation	2–13 days	2–14 days	2–12 days	[5], [31]
6	Transmission	Animal to human, human to human	Animal to human, human to human	Animal to human, human to human	[5], [34]
7	Multi-systemic complications	YES	YES	YES	[34], [35], [37]
8	Neurological complications	YES	YES	YES	[15], [20], [21]
	ABBREVIATION: CoV-Corona Virus, REF-References