Patients infected two health workers was also a health care worker who had previously treated several patients MERS in Saudi Arabia , where the disease was first identified in 2012. He is the second person in the U.S. who are diagnosed with MERS .
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White House spokesman Jay Carney , on Tuesday ( 13/05/2014 ) , said , President Obama has been briefed about the MERS case .
+He added that the Center for Disease Control and Prevention CDC is now watching " very closely " the situation and coordinate closely with officials of health affairs in Florida .
CDC officials said they expect there will be more cases of MERS in America , but adding only those who live with or care for patients at risk for contracting MERS .
Meanwhile , authorities in Saudi Arabia announced , five new deaths due to MERS , making the death toll in the country to 152 people . There is no vaccine or treatment for the virus that has killed about 30 percent of the hundreds of people who are infected . Most of these cases occurred in Saudi Arabia .