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Jungić, Andreja; Savić, Vladimir; Madić, Josip; Barbić, Ljubo; Roić, Besi; Brnić, Dragan; Prpić, Jelena; Jemeršić, Lorena; Novosel, Dinko
Pathogens (Basel), 11/2021, Letnik: 10, Številka: 11Journal Article
In a total of 1536 blood serum samples analysed by ELISA, antibodies for IAV nucleoprotein (NP) were detected in 30.3%. Results from HI show that the most common subtype of swIAV in the Croatian pig population was H1N1 (44.6%), followed by H3N2 (42.7%) and H1N2 (26.3%). Antibodies to at least one subtype were detected in 62.19% of blood serum samples. Detection of swIAV antigen was performed by IHC and detected in 8 of 28 lung samples collected post-mortem. The matrix (M) gene was detected in nine of one hundred and forty-two lung tissue samples and in seven of twenty-nine nasopharyngeal swabs. Phylogenetic analysis of amplified HA and NA gene fragments in Croatian isolates suggests the presence of swIAV H1avN1av.
