what is mers
mers is a respiratory disease that is caused by the middle east respiratory syndrome coronavirus mers cov mers is in the same family of viruses as sars and the common cold but it appears so far to be less transmissiblehe cdc has frequently said that cases of mers in the u s have been expected so the arrival is not a surprise the third case as mentioned was someone in contact with the first u s mers patient in illinois on desktop roll over this graphic to get a closer look on mobile click to zoom