An Outbreak of Eastern Equine Encephalomyelitis in Jamaica, West Indies

I. Description of Human Cases

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During the outbreak of eastern equine encephalomyelitis (EEE) in Jamaica in November and December 1962, there were 9 deaths among 11 patients clinically diagnosed as having EEE. Five of these cases were confirmed by laboratory tests. Of the two recovered patients, one showed a significant rise in EEE antibody titer and the other showed no demonstrable antibody. The presenting features of illness were mainly fever, headache, neck rigidity, paralysis and drowsiness or coma.

Author Notes

Medical Officer, Hordley Hospital, St. Thomas, Jamaica.

Medical Officer of Health, Parish of St. Thomas, Jamaica.

Lecturer, Department of Microbiology, University of the West Indies, Mona, Jamica.