Haiti cholera death toll grows by 7 to 337

Health authorities are battling to contain the disease, fearing it could spread dramatically in the capital Port-au-Prince where 1.3 million people displaced by January's catastrophic earthquake are still living in squalid camps.
The source of Haiti's first cholera outbreak in decades remains unclear, although the UN peacekeeping force MINUSTAH is probing claims that its septic tanks leaked into the Artibonite River and contaminated it with fecal bacteria.
The outbreak's epicenter is the coastal town of Saint Marc, which is situated at the mouth of the Artibonite, 60 miles (96 kilometers) north of Port-au-Prince.
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