the country, still a brace for the peak in new york, where there's been a flattening of the curve, still more than 600 dead in one day. masks required if you're out in public in new york. and governor cuomo firing back at president trump. also tonight, the horror unfolding for some of the most vulnerable in nursing homes and senior centers in new jersey, new york, massachusetts. and tonight we've learned six people have died after attending the same funeral. the desperate need for food in this country. tonight, the stories behind the faces. in one line, cars began arriving yesterday afternoon. so many in need. some in tears. one father told us he doesn't know what to say when his children ask, what's for dinner tonight? and the woman who waited 18 hours for food. the new results just in tonight. diane sawyer reporting on a major antibody study in one county in america, and what it reveals about how many in a community may have been exposed to coronavirus. far more people than first thought. and the scientist telling diane, this may be the tip of the iceberg.