[header] How to diagnose mousepox [title] Look for signs of sudden onset mousepox. [step] Sudden onset mousepox is the acute form of the disease, meaning that it comes on suddenly and forcefully. A mouse with acute mousepox will usually be hunched over, have swelling of the face, and have digestive distress, such as diarrhea. 
[substeps] These symptoms will appear and progress very quickly. In many cases the mouse will die quickly from the acute form of this disease.