Gardner, L.M., and MacIntyre, C. R. (2014). Unanswered Questions About the Middle East Respiratory Syndrome Coronavirus (MERS-CoV). BMC Research Notes. 7: 358.
The authors summarize the epidemiology of the ongoing MERS-CoV outbreak, noting its sporadic nature and unclear transmission routes. They call for additional research to answer unanswered questions about the disease so that effective interventions to control its spread may be implemented.