A Dog-contagious hepatitis antigen test. Dog-contagious hepatitis is caused by adenovirus type 1 (adenovirus-1) to cause disease in the liver or other organs and is highly contagious. It is transmitted by direct contact with infected dogs and the surrounding environment with urine (direct contact), mortality rate of 10-25%. In the case of symptoms, they show an abnormal fever reaction and anorexia, have no appetite, feel thirsty, and have nausea and diarrhea. Infections can be prevented through vaccination.