¡¤Breeding industry environment to be cleaned to stall bird flu ¡¤China battles against bird flu around the country ¡¤WHO pleased with China's action in handling avian flu ¡¤Nation to pay farmers for poultry slaughter ¡¤Bird flu control a "tough job" for China: Premier ¡¤Two WHO experts arrive to assist bird flu campaign ¡¤Poultry trade banned in Shanghai ¡¤HK poultry workers get free flu shots ¡¤National HQ set up for bird flu prevention ¡¤Nation intensifies poultry market surveillance ¡¤Bird flu-affected farmers get gov't compensation ¡¤China in nationwide campaign against bird flu ¡¤All poultry markets in bird flu-hit area ordered to close down ¡¤National Bird Flu Prevention Headquarters founded ¡¤Newly-affected regions in quick move to counterattack disease ¡¤China halts poultry exports from three bird flu-hit regions ¡¤Poultry vaccinated against bird flu in central China ¡¤China not source of bird flu outbreak: FM spokeswoman ¡¤China halts export of poultry from bird flu-affected areas ¡¤China suspends poultry imports from 8 countries ¡¤Nation strives to control spread of bird flu ¡¤Surveillance reinforced to curb spread of bird flu: official