AlQa'dah 3, 1432, Oct 1, 2011, SPA -- Haitian health authorities said the number of deaths caused by cholera increased to 6,435 in the Caribbean country since October 2010. The Haitian Health Ministry said the number of people infected with cholera almost reached half a million, although the ministry repeated the epidemic was decreasing. The report said 455,727 people had been treated due to cholera, and 242,205 had to be hospitalized. The western province of Artibonite suffered the plague most with 1,196 deaths. The southwest province of Nippes registered the smallest death toll of 181, Xinhua reported.