A worker cleans empty cages used for transporting chickens, to prevent an 

A worker cleans empty cages used for transporting chickens, to prevent an outbreak of H7N9 infections at a wholesale poultry market in Hong Kong Monday, April 8, 2013. The World Health Organization is talking with the Chinese government about sending international experts to China to help investigate a new bird flu strain that has sickened at least 21 people, killing six of them.  (AP Photo/Kin Cheung)
Associated Press
A worker cleans empty cages used for transporting chickens, to prevent an outbreak of H7N9 infections at a wholesale poultry market in Hong Kong Monday, April 8, 2013. The World Health Organization is talking with the Chinese government about sending international experts to China to help investigate a new bird flu strain that has sickened at least 21 people, killing six of them. (AP Photo/Kin Cheung)
View Comments