strangles

Symptoms include fever, cough, and nasal discharge, and the disease can take weeks to fully resolve.

Strangles, caused by the bacterium Streptococcus equi, is another common respiratory infection.

It causes abscesses in the lymph nodes around the jaw and throat, which can swell dramatically and sometimes rupture.

West Nile virus, transmitted by mosquitoes, can cause neurological symptoms in horses, including stumbling, weakness, and in severe cases, paralysis.