The autopsy showed that the former victims were all healthy people. The victims’ hearts show signs of a slight swelling, before they die they may experience cardiac arrhythmia. Cause of suicide or murder has also been excluded.
Dr. Roy Baron, an epidemiologist at the Center for Disease Control (CDC) thinks that it’s likely a contagion, a nightmare that could be the cause of death. However, he also stressed that there was no concrete conclusion.