PHNOM PENH, May 28 (Xinhua) -- An 11-year-old boy from western Cambodia's Kampong Speu province had died of H5N1 human avian influenza, becoming the fourth human death from the virus so far this year, ...

KHARTOUM, May 27 (Xinhua) -- The Sudanese Ministry of Health on Tuesday announced a surge in cholera cases, with 2,729 infections and 172 deaths recorded within a single week.