Funding Information: This study was funded by Fundação Ciência e Tecnologia, IP national support through CHRC (UIDP/04923/2020). Publisher Copyright: Copyright © 2023 Azevedo, Neto, Gama, Subtil, Fuertes, Pereira, Tavares, Medinas, Silva and Dias.; Introduction: Alcohol-related problems disproportionally affect people experiencing homelessness. As the first wave of the COVID-2019 pandemic spread in 2020, a numb...