Systemic
Pyrexia (Fever)
Required
Depression
General Systemic Signs
Inappetence (Anorexia)
Sudden death
Specific
Respiratory
Nasal discharge
Required
Dyspnea
Pathognomonic
Tachypnea
Pathognomonic
Moist cough
Pathognomonic
Pulmonary rales
Digestive
Hypersalivation
Cardiovascular
Brisket edema
Specific
Integumentary
Head skin edema
Pathognomonic
Throat skin edema
Pathognomonic