Indretning til serologisk påvisning af yersiniainfektioner og/eller disses følgesygdomme samt anvendelse af proteinerne MyfA og PsaA fra Y.Enterocolitica og Y.Pseudotuberculosis som rekombinante antigener
Device comprises: at least an antigen comprising YopD, YopH, YopM, YopE, V-AG, and/or YopN, or its fragment having at least eight consecutive amino acids; and at least one of the proteins of MyfA and PsaA or their fragments having at least eight consecutive amino acids. An independent claim is included for the use of the antigenic protein MyfA and/or PsaA, or their fragments having at least eight consecutive amino acids in serological diagnosis of human Yersiniainfections caused by Yersinia enterocoliticaand Yersinia pseudotuberculosis.