What are the clinical symptoms of the acute form of rabbit pasteurellosis?

There are the following two symptoms: First, acute systemic septicemia: some sick rabbits die suddenly without obvious symptoms. In general, the sick rabbit's body temperature rises above 41°C, it stops eating, is listless, lies prone and motionless in the cage, and does not dodge or move away when touched by hand. It has a serous nasal discharge, rapid breathing, sometimes sneezes or develops diarrhea, and often dies within 1 to 3 days after symptoms appear. Before death, the body temperature drops, the whole body trembles, and the limbs twitch.