“There are indications that some of the oldest vaccine strains are not providing full protection against emerging new genotypes of parvovirus” Hear how Prof.

“In our challenge studies with a highly virulent European strain, the pigs had quite good protection from a vaccine that is new in Europe” In conversation with Dr. Andrea Ladinig (University of Veterinary Medicine Vienna, Austria) and Dr.

“Peak titres can show 1,000 times more virus in blood serum with higher virulence strains” In conversation comparing American and European views of high-virulence PRRS strains, Dr. Greg Stevenson (Iowa State University, USA) and Dr.