The social immune system is comprised of behavioural, physiological and organisational defences that may be prophylactic, and performed in anticipation of infection, or induced by the presence of a pathogen.
The social immune system is complex and can vary greatly between species, however, it largely consists of behavioural, physiological and organisational defences. These can be prophylactic, and performed in anticipation of infection, or induced, by the presence of a pathogen.