Cuba has reported a cholera outbreak to international health monitors, with 163 new cases this year associated with three provinces.
According to a bulletin by the Pan American Health Organization, island authorities reported on Aug. 23 that the cases were linked to Havana, Santiago and Camaguey provinces.
Patients who contracted the waterborne disease included 12 travelers from European and Latin American nations. There were no reported fatalities.
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In Havana, the outbreak was traced to two food distribution centers, where corrective measures were taken to combat the disease.
Cuban state media announced last summer that cholera had sickened 417 people and killed three. It had been unheard of on the island for years. In January there was another report of 51 cases in Havana.
There has been no word since then about the disease in official media such as Communist Party newspaper Granma.
But state television and posters in clinics have been carrying reminders of the importance of good hygiene lately, as they typically do during the country's hot and humid tropical summers, when diarrheic diseases increase.
Last week the United States issued a travel alert for Cuba due to cholera.
Cholera causes severe dehydration that can be fatal, but it is treatable if detected in time.
Cuban medical workers have played an important role in treating the disease in nearby Haiti, where cholera has killed thousands in recent years.