The STRIDE acronym stands for Simulate Transmission of Infectious DisEases and the model is developed to study the transmission of Influenza, Measles and COVID-19. This version is used to explore deconfinement strategies after the first COVID-19 lockdown in Belgium in 2020. Reference: Willem L, Abrams S, Libin JK P, Petrof O, Coletti P, Kuylen E, Møgelmose S, Wambua J, Herzog S A, Faes C, SIMID COVID19 team, Beutels P, Hens N: The impact of contact tracing and household bubbles on deconfinement strategies for COVID-19. Nature Communications 12, 1524 (2021). https://doi.org/10.1038/s41467-021-21747-7 The user manual contains basic info on the project and how to build & use the software. More information on layout, installation, dependencies of the project, licence and platforms that are supported, can be found in the files INSTALL.txt, DEPENDENCIES.txt, LICENSE.txt and PLATFORMS.txt, respectively. Population data is available here: https://zenodo.org/record/4485995#.YH1KtxMzbYU