MERS virus can be a global threat?

Since last year in middle east appeared a threatening and a lethal coronavirus with the name of MERS. MERS virus is similar to the virus of acute respiratory syndrome (SARS) that was known world wide in 2003.Coronavirus I know to be the virus of the common cold.
A mutation to this Coronavirus made the virus to be more dangerous that it used to be and seems like the mutation took place in middle east.The MERS virus as official health report recorded made 77 people to be ill from the virus disease and amongst them for 41 died from the killer Virus. Virus diseases of MERS have been reported in Qatar, Saudi Arabia,Jordan, and the United Arab Emirates. Also additional cases have been reported in European countries like in France, in Germany, in Italy and Britain.Nevertheless they sick people in the European countries had a positive history directly or indirectly with a trip to the Middle East.
That make the word health organization not to consider the MERS virus like a global threat