1984 Montreal outbreak

Over 500 cases of M.E./CFS documented during August-November 1984 period. This endemic was active in all parts of Canada during this period and appears [to] have maintained its activity until the time of writing in 1991. |title= |title=== Onset == |title= |title=== Symptoms == |title= |title=== Findings == |title= |title=== Epidemiology == |title= |title=== Prognosis == |title= |title=== See also == |title=*Epidemic myalgic encephalomyelitis |title=*List of myalgic encephalomyelitis and chronic fatigue syndrome outbreaks |title= |title=== Learn more == |title= |title=== References == |title= |title= |title= |title= |title= |title=