Modified live vaccine strains of porcine reproductive and respiratory syndrome virus cause immune system dysregulation similar to wild strains oleh Katerina Stepanova, Miroslav Toman, Jana Sinkorova, Simon Sinkora, Sarka Pfeiferova, Helena Kupcova Skalnikova, Helena Kupcova Skalnikova, Salim Abuhajiar, Salim Abuhajiar, Romana Moutelikova, Jiri Salat, Hana Stepanova, Katerina Nechvatalova, Lenka Leva, Petra Hermanova, Mirka Kratochvilova, Blanka Dusankova, Marek Sinkora, Vratislav Horak, Tomas Hudcovic, John E. Butler, Marek Sinkora