Pyrexia (Fever)
Required
Depression
Required
Recumbency
Specific
Anorexia
Required
Ophthalmic
Blindness
Specific
Nervous
Convulsion
Specific
Aggression
Hypersensitivity
Irritability
Head pressing
Specific
Compulsive circling
Specific
Facial paralysis
Specific
Somnolence
Pathognomonic
Semicoma
Specific