Map: H7N9 cases concentrated in northern Zhejiang Province, PRC

Since novel A(H7N9) human infections were first discovered last year in the People's Republic of China, Zhejiang Province has reported the most cases. The map below depicts in aggregate, the general locations of 80 confirmed and unconfirmed cases through January 21, 2014. The cases are concentrated in the northern portion of the country in the Hangzhou and Huzhou. About 70% of all H7N9 cases reported from Zhejiang are from these two prefectures.