China: 4 more rare bird flu cases, new st

China: 4 more rare bird flu cases, new steps taken
Associated Press

A worker spays disinfectant liquid to chicken cages at a chicken whole sale market on Tuesday April 2, 2013 in Shanghai, China. China's financial capital, Shanghai, on Tuesday activated an emergency response plan following the recent deaths of two men from a lesser-known strain of bird flu. (AP Photo)

View Comments