Further Reading

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

S. Ornes. “Swine flu goes global.” Science News for Kids. May 6, 2009.

J. Raloff. “Killer-flu update.” Science News for Kids. May 29, 2013.

J. Raloff. “Deadly new virus emerges.” Science News for Kids. March 19, 2013.

J. Raloff. “Bush meat can be a viral feast.” Science News blog. Jan.12, 2012.