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 the application of universal testing for COVID-19 in Belgium. Reference: Pieter Libin, Lander Willem, Timothy Verstraeten, Andrea Torneri, Joris Vanderlocht, Niel Hens. Assessing the feasibility and effectiveness of household-pooled universal testing to control COVID-19 epidemics. PLoS Computational Biology 17(3): e1008688 (2021). https://doi.org/10.1371/journal.pcbi.1008688 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