Serum samples were tested for the presence of antibodies to LSDV using ID Screen Capripox Double Antigen Multi-species ELISA (IDVet, Grabels, France, https://www.innovative-diagnostics.com/produit/id-screen-capripox-double-antigen-multi-species/; accessed on 23 January 2023) [28 ] recommended by the OIE Guidelines for Diagnostic Tests and Vaccines for Terrestrial Animals and performed according to the manufacturer instructions. This ELISA is designed to detect antibodies against Capripoxviruses including LSDV, sheep pox virus, and goat pox virus. Samples are read at 450nm and considered positive when the S/P% of the sample ≥30%. The S/P% is calculated according to: (OD of the sample/OD of the positive control) × 100.
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