Coronavirus is a group of virus whose different versions are responsible to different diseases such as Wuhan coronavirus, Middle east respiratory syndrome (MERS), Severe acute respiratory syndrome(SARS), etc.
|Wuhan Coronavirus||MERS||SARS||Common cold|
|Origin||Wuhan, 2019||Saudi Arabia, 2012||Southern China,2002||Very long|
|Transmission||Touching or eating an infected, as yet unidentified animal. Human-to-human transmission occurs through close contact.||Touching infected camels or consuming their milk or meat.||Believed to have spread from bats, which infected civets.||Touching a surface that carries the virus|
|Cases||Around 500 confirmed; 17 deaths as of Jan. 22.||2,494 confirmed cases; Mortality rate of 34%.||8,098 cases; 774 deaths. Mortality rate of about 10%.||Millions as it is very common to catch cold.|
|Human -to Human Contact||YES||YES, but limited||YES||YES|
|Current Status||Cases reported mainly in Wuhan, as well as other parts of China and Asia.||All cases linked to Arabian Peninsula, with 80% in Saudi Arabia||No new cases reported since 2004. 87% of previous cases in China and Hong Kong||Circulates year-round, but more common in fall/winter.|