Both intramuscular[4] and intranasal[5] vaccines are available, although their efficacy is rated at no more than 50%.[6] Isolation of new horses for four to six weeks, immediate isolation of infected horses, and disinfection of stalls, water buckets, feed troughs, and other equipment can help prevent the spread of strangles.[6] As with any contagious disease, hand washing is a simple and effective tool.[7]