A young flood victim, who is suffering from gastroenteritis, is held by his mother in a hospital where he is receiving treatment in Muzaffargarh, in Punjab province August 31, 2010. The United Nations has warned of imminent waterborne diseases, including typhoid fever, shigellosis and hepatitis A and E and vector-borne diseases like malaria and dengue fever. REUTERS/Asim Tanveer (PAKISTAN - Tags: DISASTER ENVIRONMENT HEALTH)