An Illinois man picked up an infection after visiting the first U.S. victim of Middle East respiratory syndrome (MERS).
As of May 2014, a total of 538 laboratory-confirmed cases and 145 deaths have been attributed to the MERS virus. Two cases have been reported in the U.S.
At least 449 people have been infected in the Middle Eastern kingdom. The SARS-like pandemic has now spread to Europe and the United States.
U.S. officials confirmed on Monday that a second U.S. case of the Middle East Respiratory System (MERS) virus was confirmed in Florida.
In Saudi Arabia, people are wearing surgical masks in the streets as panic sets in about the deadly virus.
Reported cases of MERS have surged in Saudi Arabia in 2014 and no one seems to know why.