Connecting the dots: substance use disorders and infectious diseases

IntroductionThe COVID-19 pandemic highlighted the vulnerability of our global healthcare system and the importance of scientific research and collaboration. Infectious diseases (IDs) continue to (re)emerge, and it will be only a matter of time before humanity faces its next pandemic. Substance use has long been postulated as a contributor to the (re)emergence, clinical course, and outcomes of IDs.MethodsThis paper explores epidemiological factors, current trends for substance use disorders (SUD) and IDs, and their financial implications. A review of the current literature was supplemented with national and global statistical data.ConclusionGaps in evidence-based literature highlight the need for further research and a call for action.