wuhan institute of virology was the origin of this virus? >> yes, i have. >> reporter: the president wouldn't reveal what the information is. in new york, unprecedented steps to fight the spread of the virus, by sanitizing public transit. images of the homeless sleeping on subways, prompting the governor to shut down subway and commuter trains overnight, starting next week. every 24 hours to be disinfected. front line workers will be offered free rides. >> they're on those trains. they deserve to be kept safe. they deserve to have a clean, safe ride to and from work and they're going to have it. and we're going to move heaven and earth to make sure that happens. >> reporter: the numbers statewide on the decline, but still, 306 people died in just 24 hours. >> and what is his diagnosis? >> reporter: in illinois, the peak not expected for another two weeks. our alex perez with paramedics in chicago. this company responding to 150 calls in one day, most of them covid cases.