European Union - English - EMA (European Medicines Agency)

intervet international bv - live deletion-mutant streptococcus equi strain tw928 - immunologicals for equidae - horses - for immunisation of horses against streptococcus equi to reduce clinical signs and occurrence of lymph-node abscesses.onset of immunity: the onset of immunity is established as two weeks after basic vaccination.duration of immunity: the duration of immunity is up to three months.the vaccine is intended for use in horses for which a risk of streptococcus equi infection has been clearly identified, due to contact with horses from areas where this pathogen is known to be present, e.g. stables with horses that travel to shows or competitions in such areas, or stables that obtain or have livery horses from such areas.