1955 Wales outbreak

|date=Outbreak of Benign encephalomyelitis. |date= |date=== Onset == |date= |date=== Symptoms == |date= |date=== Findings == |date= |date=== Epidemiology == |date= |date=== Prognosis == |date= |date=== See also == |date= |date=*Epidemic myalgic encephalomyelitis |date=*List of myalgic encephalomyelitis and chronic fatigue syndrome outbreaks |date= |date=== References == |date= |date= |date= |date= |date=