1. World-Heath-Organisation: Typhoid vaccine: WHO position paper. Weekly epidemiological record 93, pp. 153–172 (2018). http://www.who.int/wer. Accessed 23 July 2020
2. Iheukwumere, I., Nwachukwu, C.N., Kanu, M.A.: Manifestations, mismanagement and diagnostic challenges of malaria and typhoid fever. Malar Chemoth Cont Elimin. 2(109), 38–41 (2013)
3. W. W. H. organization: World Health Organization, World Health Statistics 2015, World Health Organization, Geneva, Switzerland (2015). https://www.who.int/gho/publications/world_health_statistics/2015/en/. Accessed 20 Apr 2017
4. Djam, X., Wajiga, G., Kimbi, Y., Blamah, N.: A fuzzy expert system for the management of malaria (2011)
5. Szolovits, P., Patil, R.S., Schwartz, W.B.: Artificial intelligence in medical diagnosis. Ann. Intern. Med. 108(1), 80–87 (1988)