Understanding Avian Influenza (May 2007; PDF | 7.43 MB)
USDA. Cooperative State Research, Education, and Extension Service.
The lesson explains to high school biology students the many reasons why
they should know about the highly pathogenic H5N1 avian influenza virus
that currently is spreading overseas and what it would mean if it is
detected in the United States.
Trees in Trouble: Sudden Oak Death (PDF | 115 KB)
California Oak Mortality Task Force. |