Bird flu spikes in China ahead of Lunar New Year

In this Tuesday, Jan. 21, 2014 photo, a woman carries a chicken as she leaves a wholesale poultry market in Shanghai. A spate of bird flu cases since the beginning of the year in China has experts watching closely as millions of people and poultry are on the move ahead of the Lunar New Year holiday, the world's largest annual human migration. (AP Photo)A spate of bird flu cases since the beginning of the year in China has experts watching closely as millions of people and poultry are on the move ahead of the Lunar New Year holiday, the world's largest annual human migration.