A. Ayal Ejigu, M. Assefa, M. Tilahun, and F. Tilahun Zewdu, “Pandemic influenza outbreak detection and response in Farta district, South Gondar zone, Amhara region, Ethiopia, 2016”, Int. Res. Med. Health Sci., vol. 1, no. 1, pp. 16-20, Oct. 2018.