Producers, researchers, students, swine health specialists and others are invited to attend the 2005 PRRS International Symposium Dec. 3 in St. Louis, MO, at the Sheraton Westport Chalet Hotel (314-878-1500).

The event is free but registration is required. To register, click on http://www.prrs2005.org.

Sessions cover evolution of the porcine reproductive and respiratory syndrome (PRRS) virus, new research information on diagnostic testing, vaccine development, transmission and virus elimination.