The numbers are changing rapidly (cases being released in several batches of 3 doesn't help).
Currently there are at least 64 total cases and 34 deaths among people with MERS-CoV. Most cases are in people with underlying chronic medical conditions. The Saudi Arabian Ministry of Health (MOH) regularly accounts for this clinical feature in each press release.
You can get a feel for the spread of MERS-CoV cases on this map
The following sites are useful to keep a check on numbers:
- The FluTrackers case list
- CIDRAP news gives nice, timely summaries of events
- The US CDC site has a good table of cases
- The Kingdom of Saudia Arabia MOH site
- The WHO Global Alert and Response (GAR) updates