virus isolation in cell cultures followed by identification using enzyme-linked immunosorbent assay (ELISA), indirect fluorescent antibody test (IFAT), virus neutralisation test or real-time reverse transcriptase polymerase chain reaction (RT-qPCR); or
virusisolatie in celculturen, gevolgd door identificatie met behulp van de enzymgekoppelde immuunadsorbent-techniek (enzyme-linked immunosorbent assay, ELISA), de indirecte immunofluorescentietest (indirect fluorescent antibody test, IFAT), de virusneutralisatietest of de realtime-reverse-transcriptase-polymerasekettingreactie (real-time reverse transcriptase polymerase chain reaction, RT-qPCR); ofwel