El Rhaffouli H, Lahlou-Amine I, Loutfi C, Laraqui A, Bajjou T, Fassi-Fihri O, El Harrak M (2013) Serological evidence of West Nile Virus infection among humans in the southern Provinces of Morocco. J Infect Dev Ctries 7:999–1002. doi: 10.3855/jidc.3399