Cluster row Mysterious neuro illness splits health authorities

When Roger Ellis fell ill two years ago, his family rushed to the hospital, fearing he was having a heart attack. Doctors ruled that out, but days later, he had a seizure.

In the following weeks, the retired industrial mechanic, 64, who lived in the east Canadian town of Bathurst, New Brunswick, grew anxious and disoriented, and often repeated himself.

In his first three months