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Vibrio cholerae--Truk, Federated States of Micronesia

Between August 1 and October 3, 1982, 892 cases of diarrhea and 11 deaths due to diarrhea were reported from Truk, Federated States of Micronesia, Trust Territories of the Pacific Islands. Vibrio cholerae O1 has been isolated from stool cultures of 109 persons. CDC has confirmed four of these isolates as biotype El Tor, serotype Inaba.

The outbreak began in early August in the four western outer islands of Pulap, Pulusuk, Puluwat, and Tamatan, where it affected 265 (20%) of 1,300 persons. In early September the outbreak spread to Moen, the capital of Truk, and nine of 17 islands in the Truk lagoon. Control measures have included boiling water, avoiding raw shellfish, and discouraging travel between islands and to other areas of the Pacific. The principal therapy has been oral rehydration solution. Epidemiologic investigations to determine the modes of transmission are underway. Reported by F Nocon, Guam Dept of Public Health and Social Svcs; N Kansou, MPH, Health Svcs, R Gelder, Laboratory Svcs, Truk, K Aniol, MPH, Medical Svcs, AH Polloi, Territorial Epidemiologist, Federated States of Micronesia, D Kay, Office of Health Svcs, Trust Territories of the Pacific Islands, Saipan; Field Svcs Div, Epidemiology Program Office, Enteric Diseases Br, Div of Bacterial Diseases, Center for Infectious Diseases, CDC.

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