This NIH study will test the effectiveness of an intervention designed to promote COVID testing uptake, adoption of COVID control measures, and mutual aid capacity at the household level. The findings from this study will provide an evidence-base to inform current and future public health initiatives related to COVID-19 mitigation in underserved and vulnerable communities.The Project Manager will report to Dr. Holly Hagan, Professor, School of Global Public Health, and Director of the Center for Drug Use and HIV Research (CDUHR). The PM will be responsible for coordination and monitoring of field work, specifically recruitment and data collection in New York City Housing Authority buildings in the South Bronx. The PM will also support the PIs in developing reports to be submitted