Severe Respiratory Illness Associated with MERS-CoV
CDC Morbidity and Mortality Weekly Report

CDC continues to work on better understanding the public health risks posed by MERS-CoV.

The continued reporting of new cases indicates that there is an ongoing risk for transmission to humans in the area of the Arabian Peninsula. New reports of cases outside the region raise concerns about importation to other geographic areas. 

To date, a total of 55 confirmed cases have been reported with onsets occurring between April 2012 through May 29, 2013. Reported cases were directly or indirectly linked to one of four countries: Saudi Arabia, Qatar, Jordan, and the United Arab Emirates.