While we have a feeling that our 'thought experiment' could bear fruit, we are far from the idea that equivalent expressions by the brain and the immune function point to an axis of both systems. Al-though major players, they also depend on the regulation of the rest of the body. As we focus here rather on a social context, many more factors are to be accounted for. Shanty-towns, rather than being seen in a dismissive context, may provide clues to historical conditions, a tip off perhaps to update the idea of 'individualistic' immunity. Subjected to all kinds of inward and outward...