Patients with disease are making antibodies that attack their immune system . `` It is not a virus , that 's the first thing . Cases date back to between the ages of 18 and 78 , with most of them occurring in Thailand and Thailand . Scientists do not believe the disease is contagious . The CNN has seen one cases , all in people of Vietnamese descent .
Patients with disease are making antibodies that attack their immune system . Cases date back to between the ages of 18 and 78 , with most of them occurring in Thailand and Thailand . Scientists do not believe the disease is contagious . The CNN has seen one cases , all in people of Vietnamese descent .