Capnocytophaga infections in humans are rare, especially in historically healthy individuals, but when it occurs, the disease can be deadly.

The transmission of Capnocytophaga canimorsus via an animal bite can lead to severe sepsis. The case mortality rate following splenectomy is 29%. Asplenic as well as immunosuppressed individuals ...

Here’s how it works. However, most Capnocytophaga infections in humans are caused by C. canimorsus, a species that lives in the mouths of dogs and cats.