Adapting to changing risk environments: examining overdose risk and socio-spatial patterns of unstably housed people who use drugs during converging public health crises

Background The COVID-19 pandemic exacerbated the US overdose crisis and disproportionately impacted unstably housed people who use drugs. Measures to address the pandemic within the context of crisis produced differential effects, particularly among people who use drugs. Examining how unstably housed people who use drugs adapted to shifting risk environments is imperative to responding to future crises.