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Hamza Nadjib Merad-Boudia, Majda Dali-Sahi, Baya Guermouche and Nouria Dennouni-Medjati. Dynamics of the epidemiological and nutritional transition in developing countries and appearance of covid 19: Overview. World Journal of Advanced Research and Reviews, 2020, 8(2), 010-017. Article DOI: https://doi.org/10.30574/wjarr.2020.8.2.0402