1. L'apparition d'une forte fièvre (plus de 40 °C) est généralement le premier signe clinique de la maladie, qui s'accompagne des symptômes suivants: dépression, inappétence, respiration rapide et difficile, écoulements nasaux et oculaires.
1. The development of high fever (more than 40 °C) is usually the first clinical sign of the disease, which is accompanied by depression, loss of appetite, rapid and difficult breathing, and discharges from the nose and eyes.
