Results of a postmortem examination on Oki Doki have been released by the Equine Clinic of the University of Berne (Switzerland). The final report from the clinic states:

"Oki Doki, Warmblood gelding, bay, born April 4, 1996

In the evening of July 20, 2010, Oki Doki died in the trailer on the way to the Equine Clinic of the University of Berne, despite treatment administered prior to transport.

"Postmortem examination, performed at the Institute of Animal Pathology of the University of Berne, revealed that the cause of death was a severe acute purulent inflammation leading to a septic shock. The severe inflammation affected many organs, such as abdominal lymph nodes and the lungs. No route of entry of the bacteria could be identified