"Hospital Outbreak of Middle East Respiratory Syndrome Coronavirus" 
NEJM Jun 19
http://www.nejm.org/doi/full/10.1056/NEJMoa1306742?query=featured_home
"CONCLUSIONS

Person-to-person transmission of MERS-CoV can occur in health care settings and may be associated with considerable morbidity. Surveillance and infection-control measures are critical to a global public health response"