HAVANA (AP) — Authorities in eastern Cuba are in full prevention mode to contain a rare cholera outbreak amid fears that it may have spread to the capital, distributing chlorine and water purification drops and quarantining hospital patients with diarrhea until they are checked for the disease.

In the eastern city of Manzanillo, in Granma province, cars crawl through the streets with loudspeakers reminding people of the importance of good hygiene, and the sale of oysters at private kiosks has been suspended, according to several residents interviewed by The Associated Press. But there has been no travel quarantine on the city, and the streets are calm even if some people are jittery.