The dynamics of the virus, infection and immunity, not to mention ongoing efforts to revise and improve clinical care, and endeavors to develop medical treatments and vaccines, are a critical part of the unfolding story. So, too, are peoples' social responses to the disease and interactions with each other. COVID-19 is revealing, reinforcing, and catalyzing new social and cultural relations; laying bare inequalities and anxieties, discrimination and division; but also galvanizing solidarities and collective action.