Definition of MERS
: a serious viral respiratory illness that is marked by fever, cough, and shortness of breath and that may often progress to severe pneumonia with acute respiratory distress syndrome and organ failure
Note: MERS is caused by a coronavirus (species Middle East respiratory syndrome-related coronavirus of the genus Betacoronavirus) related to the causative virus of SARS. The first cases of MERS appeared in Saudi Arabia and most cases originate from countries in or near the Arabian Peninsula.
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Merriam-Webster unabridged
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Time Traveler for MERS
The first known use of MERS was in 2013
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