Moroccans descended from Berbers, Arabs, and Black Africans exactly like the neighboring Maghrebians. The Berbers are the prehistoric populations of Morocco and are related to the wider group of Paleo-Mediterranean peoples. The Afroasiatic family may have originated in the Mesolithic period, perhaps in the context of the Capsian culture.
Epidemiologic triangle model of disease causation. A common model used in public health illustrates the relationships among an agent, a host and the environment. It applies to biological, chemical and physical agents.
Epidemiology noun A period of isolation intended to control the spread of a contagious infection verb To restrict the freedom of movement in those withâor presumed to have been exposed toâa highly communicable disease, to prevent dissemination. See Notifiable disease, Proposition 64.