Mathematical analysis and parameter estimation of the 2017–2018 cholera outbreak in Yemen Shaima Al-Shanfari, Ibrahim M. Elmojtaba and Nasser Al-Salti Eur. Phys. J. Plus, 140 6 (2025) 535 Published online: 16 June 2025 DOI: 10.1140/epjp/s13360-025-06466-y