Reining in strangles: Absence of disease in horses vaccinated with a DIVA‐compatible recombinant fusion protein vaccine, Strangvac, following natural exposure to <i>Streptococcus equi</i> subspecies <i>equi</i>

Despite adherence to recommended biosecurity measures, serological evidence of exposure to S. equi was demonstrated in half of the vaccinated horses. Notably, all horses vaccinated during the outbreak responded to the vaccine components and remained healthy, suggesting a protective effect of vaccination of healthy horses with Strangvac in outbreak situations.