A high school in Yongzhou爆发ed "H1N1 influenza" epidemic. The person in charge of the Emergency Office of Hunan Provincial Health Department introduced that the school where the epidemic broke out is located in Yongzhou urban area. Since June 6, students of this school have successively developed A (H1N1) influenza symptoms. After consultation by provincial expert panel, these four cases were determined as confirmed cases of A (H1N1) influenza... Electronic version of Changde Evening News....