Vaccination with a live multi-gene deletion strain protects horses against virulent challenge with Streptococcus equi
Keywords: cfu; colony forming units; DIVA; differentiation of infected from vaccinated animals; DMEM; Dulbecco's modified Eagle's medium; iELISA; indirect enzyme-linked immunosorbent assay; mpep1; N-terminal fragment of SeM; OD450nm; optical density at 450Â nm; PBS