Skip to content
  • Print


What is strangles?

Strangles is a respiratory disease of horses caused by the bacterium Streptococcus equi. It is one of the most common contagious diseases affecting horses worldwide.1

In this section learn:

  • The signs of Strangles
  • The risk of Strangles
  • About vaccination with Equivac® S
  • About myths associated with the disease


  1. Strategy to Eradicate and Prevent Strangles (STEPS). The British Horse Society, Scotland, 2011.