Symptoms and Signs:_
MERS is an acute respiratory syndrome, with the most common symptoms being fever(98%), cough (83%), and dyspnea (72%). Chills and rigors are common (87%). Gastrointestinal symptoms may occur, with diarrhea being most common (26%), followed by nausea and abdominal pain, and may precede respiratory symptoms. Mild and asymptomatic cases are reported.