Multi-wave modelling and short-term prediction of ICU bed occupancy by patients with Covid-19 in regions of ItalyFrederico José Ribeiro Pelogia, Henrique Mohallem Paiva and Roberson Saraiva PolliMath. Model. Nat. Phenom., 19 (2024) 13DOI: https://doi.org/10.1051/mmnp/2024012