The challenges of life during the COVID-19 pandemic are greatly magnified for those with chronic illnesses, who may have less access to needed care and support. This is especially true when those health conditions make them more susceptible to contracting or becoming seriously ill from COVID-19. People with substance use disorders or who are struggling to recover fall squarely in this category and research is urgently needed on the intersections of COVID-19 and substance use and related health issues. Such research could not only benefit some of the most vulnerable groups, but valuably inform efforts to address the pandemic more generally. People with substance use disorders are potentially...