TEXT: Health workers pack dead chickens into trash bins at a wholesale poultry market in Hong Kong December 31, 2014. Hong Kong began culling 15,000 chickens on Wednesday and suspended imports of live poultry from mainland China for 21 days after the H7 bird flu strain was discovered in a batch of live chickens that came from the southern province of Guangdong. REUTERS/Tyrone Siu (CHINA - Tags: HEALTH AGRICULTURE ANIMALS FOOD POLITICS)