Barakat, A., Benjouad, A., Manuguerra, J.-C., El Aouad, R., & van der Werf, S. (2010). Virological surveillance in Africa can contribute to early detection of new genetic and antigenic lineages of influenza viruses. The Journal of Infection in Developing Countries, 5(04), 270–277. https://doi.org/10.3855/jidc.1065