New cases of cholera in the cities of Baghdad, Basra and for the first time in the northern district of Tikrit, Mosul and Dahuk confirmed that an outbreak of the disease is spreading in Iraq, the World Health Organization said Tuesday.

WHO said there is 2,116 confirmed cases of cholera in Iraq already from 11 deaths from the disease occurred.

Claire-Lise Chaignat, a cholera expert at WHO said that people moving from location to location cause the spread of the disease.

An estimate of more than 30,000 people have fallen ill with acute watery diarrhea which may later develop as cholera, said the global health body.