Utah State University Extension
Porcine Reproductive and Respiratory Syndrome (PRRS) is considered the most important disease affecting swine operations in North America and internationally. There has been no evidence of cross-infection to humans since discovery of PRRS in the U.S. in 1987.
Bagley, Clell V., "Preventing PRRS from Establishing in Utah Swine" (2000). All Current Publications. Paper 1368.