AdvertisementAs Cholera Season Bears Down On Haiti, Vaccination Program StallsMarch 13, 2012Richard KnoxfacebookEmailThousands of doses of cholera vaccine sit in a refrigerated trailer in a United Nations compound in Saint-Marc, Haiti. Vaccination was supposed to begin last week, but bureaucratic problems have delayed the start. April is the beginning of Haiti's rainy season, which will likely intensify Haiti's cholera outbreak. (NPR)