“Pathogenic agents can be spread from animal to animal, animal to human or human to animal through a variety of transmission routes. Animals or humans can acquire disease causing agents through aerosol, oral, direct, fomites or vectors”.
Author: Alejandro Ramirez, DVM, MPH, PhD, DACVPM and Co Author: Pam Zaabel, DVM
Document: Swine Biological Risk Management
Date: March 2012
Funded by: The National Pork Board
Institution: Center for Food Security and Public Health – Iowa State University