National Guard members exit the Jacob K. Javits Convention Center, now a converted hospital, in Manhattan on Sunday. (Eduardo Munoz/Reuters)

Americans are being advised to steel themselves for one of the most agonizing weeks in living memory, as President Trump and his advisers predicted parts of the country were nearing a peak of cases of covid-19, the disease caused by the novel coronavirus.

The president at Sunday’s White House coronavirus task force briefing hailed numbers from New York showing a one-day decline in deaths while warning of New York and New Jersey, “they’ve really become a very hot zone.”