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Updated: Jul 18, 2026

Evaluating the Immune Response of a Nanoemulsion Adjuvant Vaccine Against Methicillin-Resistant Staphylococcus aureus (MRSA) Infection
Published on: September 1, 2023
SEPPIC vaccine adjuvants for poultry
L Dupuis1, S Ascarateil, J Aucouturier
1SEPPIC, 75 quai d'Orsay, 75321 Paris, Cedex 07, France. laurent.dupuis@airliquide.com
Abstract:
Two inactivated antigens (Newcastle and Pasteurella Multocida) were formulated with different adjuvants and tested in two separate experiments in poultry. Oil formulations constituting water in oil (W/O) or water in oil in water (W/O/W) emulsions were assessed for antibody response, protection, local reactions, and vaccine physicochemical parameters. Robust, efficacious, and safe formulations were obtained with W/O formulations whereas W/O/W was especially safe with maintained efficacy. Results show that it is possible to improve traditional Tween Span formulations for safety and efficacy parameters by using Montanide ISA 70 for W/O formulations and Montanide ISA 206 for W/O/W when safety is the priority.
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