China kills 13,000 birds in northwest to control what it calls an epidemic of bird flu . 500 fowl that died in Xinjiang Uygur Autonomous Region tested positive for H5N1 . In late January , China confirmed its sixth case of bird flu in a human . Health officials also detected dozens of cases of upper respiratory infection among humans , but none of the patients had any history of handling sick poultry , a government spokesperson said . The first two cases were from the same family and both had been infected by migratory birds.
China kills 13,000 birds in northwest to control what it calls an epidemic of bird flu . 500 fowl that died in Xinjiang Uygur Autonomous Region tested positive for H5N1 . In late January , China confirmed its sixth case of bird flu in a human . The first two cases were from the same family and both had been infected by migratory birds.