We found serologic evidence for the circulation of Middle East respiratory syndrome coronavirus among dromedary camels in Nigeria, Tunisia, and Ethiopia. Circulation of the virus among dromedaries across broad areas of Africa may indicate that this disease is currently underdiagnosed in humans outside the Arabian Peninsula.
Keywords: Africa; Arabian Peninsula; Coronaviridae; MERS; Middle East respiratory syndrome; beta-coronavirus; camels; coronavirus infections; disease reservoirs; pneumonia; viruses; zoonoses.