- Associated Press - Tuesday, October 18, 2011

PORT-AU-PRINCE, HAITI (AP) - Haiti has the highest rate of cholera in the world a mere year after the disease first arrived in the Caribbean nation, a leading health expert said Tuesday.

Dr. Paul Farmer, one of the founders of the medical group Partners in Health and U.N. deputy special envoy to Haiti, said cholera has sickened more than 450,000 people in a nation of 10 million, or nearly 5 percent of the population, and killed more than 6,000.

Farmer told The Associated Press on the anniversary of cholera’s arrival in Haiti that it’s also on the verge of becoming the leading cause of death by infectious disease in the Caribbean nation.

“It’s freakin’ incredible,” Farmer said by telephone. “In 365 days, you go from no cases to the largest number in the world.”

That’s significantly more than the 100,000 to 300,000 cases documented annually in Bangladesh, Farmer said. The Democratic Republic of Congo sees 13,000 to 30,000 cases a year.

He also said that cholera is likely to become endemic in Haiti, meaning it will become “native” to the country.

“It’s going to be with us for a long time,” he said.

Farmer attributes the spread of the disease to what he describes as Haiti’s status as the “most water insecure” country in the world, which means many people have insufficient access to clean water.

Cholera is caused by a bacteria found in contaminated water or food. It spreads quickly in unhygienic environments and can quickly kill people through complete dehydration, but is easily treatable if caught in time.

Haiti has long suffered from improper sanitation because of its poverty but sanitation conditions in the capital and other urban areas became much worse after last year’s earthquake forced thousands of people to set up makeshift shelters in public plazas, soccer fields and other open areas.

Evidence suggests that the disease inadvertently arrived in Haiti by U.N. peacekeeping troops from Nepal. Cholera then spread through Haiti’s biggest river because a Haitian contractor failed to ensure proper sanitation at the U.N. base.

There were no documented cholera cases in Haiti prior to the start of the outbreak a year ago this month.

The epidemic threatens to worsen before it abates as the year’s second rainy season causes the disease to spread.

The foreign aid group Doctors Without Borders said in a statement Tuesday that it continues to see “dangerous and unpredictable fluctuations” in the number of cholera cases.

For example, the group said it treated 281 patients for cholera in the Haitian capital in the last week of August. That number jumped to 840 per week a month later.

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