The model of COVID-19 in prisons is contained in the Microsoft Excel spreadsheet COVID-19_Incarceration_Model-v1.0.xlsx. This spreadsheet model builds on the spreadsheet developed by Recidiviz (original spreadsheet model available here. It was developed with funding from Corrective Services NSW and Justice and Forensic Mental Health Network. The aim of the model is track an outbreak of COVID-19 in a prison setting and the potential impact of prevention strategies and interventions. The main directory contains a blank spreadsheet model ready for use. Example spreadsheets with inputs and outputs are available in the Examples\ directory. A short manual COVID-Incarceration-Manual.docx provides further user instructions and details of the interventions incorporated into the model. (COV-045)