The course of cat abdominal transmission is longer than that of general infectious diseases, and is usually divided into wet and dry abdominal transmission. The death time of wet abdominal transmission is 3-9 weeks, and the death time of dry abdominal transmission is 3-16 weeks. Moreover, feline infectious peritonitis is extremely contagious, with a mortality rate of up to 95%.

Symptoms of death due to feline contagion:

1. When cats with dry type of feline contagion are about to die, they will show yellowish discoloration of the whole body, extreme weight loss, and complete Symptoms such as loss of appetite, extreme lethargy, pus in the eyes, weak breathing and heartbeat

2. Cats with wet-type abdominal transmission will show enlargement of the chest and abdomen, visible mucosal cyanosis, and respiratory failure when they are close to death. Symptoms include extreme difficulty, weight loss, and lack of energy.