 In October , a cholera epidemic broke out , probably introduced by foreign aid workers . Cholera most often affects poor countries with limited access to clean water and proper sanitation . By the end of 2010 , more than 3 @,@ 333 had died at a rate of about 50 deaths a day . 
 In October , a cholera epidemic broke out , probably introduced by foreign aid workers . Cholera most often <a href='uninflect' title='1'><mark>affects</mark></a> poor countries with limited access to clean water and proper sanitation . By the end of 2010 , more than 3 @,@ 333 <a href='been_done' title='2'><mark>had</mark></a> died at a rate of about 50 deaths a day . 
In October , a cholera epidemic broke out , prob introduced by foreign aid workers . Cholera most often affect poor countries with limited access to clean water and proper sanitation . By da end of 2010 , more den 3 @,@ 333 done died at a rate of about 50 deaths a day .