Table 1.

The comparison of Wuhan coronavirus with MERS and SARS

Contents	Wuhan coronavirus (2019-nCoV)	The Middle East Respiratory Syndrome(MERS)	Severe Acute Respiratory Syndrome (SARS)	The common cold caused by coronavirus
Origin	In December 2019, it was first identified in Wuhan (China)	In 2012 in Saudi Arabia first case was reported	First case was identified in 2002 in southern china	Four strains of coronavirus strains found to be responsible for 15–30% of common cold
Transmission	Spread by coming in contact with infected animal. And between humans occurs through close contact	By touching infected camels or drinking their milk or eating their meat	Spread from bats. Transmitted mainly between humans through close contact	Infection occurs by close contact with infected humans that carries virus
Cases	At least 40,553 cases and 903 deaths as on 10 February 2020	2,494 cases, 858 deaths (as on Nov. 2019). The mortality rate was 34%	8,098 cases, 774 deaths. The mortality rate was 10%	Generally nonlethal with rare exceptions Millions of cases each year
Current status	Cases were mostly reported in China and spread to at least 21 other countries	Arabian peninsula was affected with 80% in Saudi Arabia	87% of cases were in China and Hong Kong	Occurs year around but more common in fall/winter