Detection of canine distemper virus (CDV) neutralising antibodies in small ruminants during peste-des-petits-ruminants virus (PPRV) surveillance in Zambia

Canine distemper virus (CDV) is endemic in Zambia, while peste-des-petits-ruminants virus (PPRV) has not been detected. This study screened 962 farmed goats and 237 small ruminants at informal markets for PPRV antibodies using c-ELISA. A subset (n = 29) was re-analysed with virus neutralisation assa...

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Bibliographic Details
Main Authors: Lysholm, Sara, Logan, N., Lindahl, Johanna F., Berg, M., Johansson, E., Bergkvist, P.K., Dautu, G., Chazya, R., Willett, B.J., Munyeme, M., Wensman, J.J.
Format: Journal Article
Language:Inglés
Published: BioMed Central 2025
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Online Access:https://hdl.handle.net/10568/174409
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Summary:Canine distemper virus (CDV) is endemic in Zambia, while peste-des-petits-ruminants virus (PPRV) has not been detected. This study screened 962 farmed goats and 237 small ruminants at informal markets for PPRV antibodies using c-ELISA. A subset (n = 29) was re-analysed with virus neutralisation assays (VNA) for antibodies to PPRV and CDV due to cross-reactivity concerns. c-ELISA indicated 6.44% PPRV seroprevalence on farms and 3.80% at markets. While VNA detected no PPRV antibodies, 45% (13/29) tested positive for CDV, possibly suggesting cross-reactivity. Given the study’s limitations, further research is needed to determine whether PPRV is present in Zambia and assess potential cross-reactivity.