... weknowthattheetiologicagentof PRRS, porcine reproductive and respiratory syndrome virus (PRRSV),isasinglestrandedpositivesenseRNA virus classifiedintheorder Nidovirales,family Arteriviridae and genusArterivirus.PRRSVhasalsobeenshowntobeahostspecific virus, capableofinfectingonly ... XiaoZ,OlinM,MolitorTWMurtaughMP and PijoanC.Detectionofporcine reproductive and respiratory syndrome virus inpigswithlowpositiveornegativeELISAs/pratios.VetRec2004.154:2526.ChoJG and DeeSA.Porcine reproductive and respiratory syndrome. Theriogenology,2006;66:655662.1Biosecurityprotocolsforthepreventionofspreadofporcine reproductive and respiratory syndrome virus AndreaPitkin,BS ... Useofaproductionregionmodeltoassesstheairbornespreadofporcine reproductive and respiratory syndrome virus. VetMicrobiol(Inpress).ChoJG,DeeSA,DeenJ,GuedesA,TrincadoC,FanoE,JiangY,FaabergK,CollinsJE,MurtaughMP and JooHS.Theinfluenceofanimalage,bacterialcoinfection and porcine reproductive and respiratory syndrome virus (PRRSV)isolatepathogenicityon virus concentrationinindividualpigs....