Scientists are still unsure of the exact origin of Haiti's cholera strain. Lawrence Livermore National Laboratory hide caption
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Global Health
Saturday
Friday
A bladder at a camp in Port-au-Prince holds fresh water. Sanitation and clean water are key to staving off cholera, and public health officials are launching a massive education effort using text messages and radio broadcasts. Christopher Joyce/NPR hide caption
Thursday
Two trucks crashed on a road toward Saint-Marc in Haiti. One truck was carrying Coke bottles, the other was full of people. The head-on collision knocked the bed off the back of one truck, killing several and injuring many more. Christopher Joyce/NPR hide caption
People distribute potable water near a tent city in Port-au-Prince. Officials say a vaccine would do little to prevent more cases of cholera there. Thony Belizaire/AFP hide caption
Philomena Josephat and her father Joseph at St. Nicholas Hospital. Joseph, who has recovered from cholera, said:Â "I've never felt sick like that before, but I lost a child, and since then my health left me. And with this, that's even worse. I felt like I was dying." Carl Thalemaque for NPR hide caption
Wednesday
Sick cholera victims and families wait at St. Nicolas Hospital in Saint-Marc, north of Port-au-Prince. Saint-Marc residents burned down nearby tents Wednesday that were supposed to relieve pressure on the hospital. Thony Belizaire/AFP/Getty Images hide caption
A banner in a street in Port-au-Prince urges people to wash with soap. Though the cholera epidemic has stabilized for now, health officials are working to contain and quell the outbreak and warn that the epidemic is not yet over. Nicholas Kamm/AFP/Getty Images hide caption
Tuesday
A closeup of Eurytemora, a kind of copepod that serves as a reservoir for the cholera bacterium. Courtesy of Dr. Rita Colwell, University of Maryland hide caption
Monday
Artibonite Lake in Haiti has been infected with cholera after 50 years without a single case in the country. Thony Belizaire/AFP/Getty Images hide caption
A health care worker washes her hands in clean water before leaving St. Nicolas Hospital in St. Marc, north of Port-au-Prince on October 24, 2010. THONY BELIZAIRE/AFP hide caption
A crowd in downtown Amsterdam, the capital of The Netherlands. The Dutch are thought to be the tallest people in the world. Koen van Weel/AFP via Getty Images hide caption
Friday
Children await treatment at a medical facility in St. Marc, northern Haiti, amid a cholera epidemic that has claimed more than 100 lives and infected more than 1,000 people over the past few days. Thony Belizaire/AFP/Getty Images hide caption