👉 Sub-infeudatories are a type of secondary infection in which an organism enters the body through the skin and then spreads to other parts of the body. This can happen when an animal, such as a snake or fox, bites an infected person or animal, causing them to contract the disease. The term "sub-infeudatory" is used to describe this type of infection because it occurs in the same way that a subcutaneous infection (a type of skin infection) occurs. The