A viral infection manifested as a respiratory or digestive tract infection. It may be of chronic or transient nature and generally affects younger cats.
Respiratory or digestive symptoms including eye or nasal discharge, vomiting, diarrhea, jaundice, dark urine, lack of appetite, lethargy, depression, and labored breeding.
Contact with infected animals, transmission is not fully understood.
Consult your veterinarian. Symptoms may be treated, but no cure for the disease is known.