Its the spread of disease from one person to another but it dose no have to be a disease
Mumble, the most livable character in the famous DreamWorks movie Happy Feet, has bright icy blue eyes, and is covered in black feathers EXCEPT for his front, which is a silver-grey to white in the middle. He has black feet and under his neck is a patch of dark grey feathers colored in the shape of a bow tie. Hope this helps!
Answer: This passage from Chapter 31 is Scout's exercise in thinking about the world from Boo Radley's perspective.