Collective health corresponds to the social representation of health needs orhealth problems, defined by social actors, resulting from living conditions and theliving conditions and the economic and social production mode in the country.The term collective health is defined as "a set of measures organized bysociety to protect, promote and restore the health of the population. Thisset involves scientific knowledge, ability and beliefs directedto maintain and improve people's health through collective and social actions.collective and social actions. Interdisciplinary knowledge and practices in order toto promote health" (Last, 2001).