Further Reading

A. L. Mascarelli. “Infectious animals.” Science News for Kids. April 17, 2013

T. Saey. “New flu in China reveals its avian origins.Science News. April 12, 2013.

T. Saey. “New bird flu claims more victims.” Science News. April 15, 2013.

S. Ornes. “New dangers from bird flu.Science News for Kids. Jan. 4, 2012.