The Situation of Homelessness and Substance Use in India and the Impact of COVID-19 Pandemic Publication Date Jue, 07/04/2022 - 12:00 Format ISSUP Webinar Themes Treatment Epidemiology and Etiology COVID-19 ISSUP are pleased to present the Final Event in the Webinar Series on Substance Use and Homelessness: New Perspectives from Research and Practice.