NEJM Article on MERS Coronavirus August 2013

Between April 1 and May 23, 2013, a total of 23 confirmed cases of human infection with MERS-CoV were identified in the eastern province of Saudi Arabia (Fig. S1 in the Supplementary Appendix). All confirmed cases and 11 probable cases were part of a single outbreak involving four health care facilities (Figure 1).
Supplemental S2

http://www.nejm.org/doi/suppl/10.1056/NEJMoa1306742/suppl_file/nejmoa1306742_appendix.pdf