Syndemic: two or more diseases that cluster together, exacerbate one another, and interact with social and economic inequalities •Term developed by biological anthropologists (e.g., Merrill Singer, mid-1990s)•Response to idea of diseases as discrete entities•Includes the effect of social conditions such as poverty, stress, structural violence on health •Precautions for Covid-19 (indoors, less exercise, isolation) exacerbate NCDs in the most vulnerableoWorst health at baseline, more stringent precautionsoFewer diagnoses, management for isolated and vulnerableoPeople with fewest resources have greatest risk of losses•Results from and contributes to persistent SES inequalities