The source? Signs of the Middle East respiratory syndrome virus have been detected in camels on the Arabian Peninsula. But it's still a mystery how people catch the disease. Sean Gallup/Getty Images hide caption itoggle caption Sean Gallup/Getty Images Shots - Health News Treatment For Middle East Coronavirus Works In Monkey Tests September 8, 2013 Scientists offer a glimmer of hope that a treatment for humans with the deadly disease might be on the horizon. Two drugs commonly used to treat other viral infections reduced the symptoms of the Middle East respiratory syndrome in a small number of monkeys.