President Trump said Monday evening that he will be meeting with congressional leaders on Tuesday to press them about what can be done to help the economy as it struggles amid the coronavirus outbreak.

Trump said that he plans to meet with Senate leadership on Wednesday to discuss a payroll tax cut, small business aid and help for hourly workers who might become sick.

“They’ll be very dramatic,” Trump said of the proposed economic measures during an evening briefing at the White House. “This blindsided the world and I think we handled it very well.”

Trump told reporters that the administration was seeking “very substantial relief." Treasury Secretary Steve Mnuchin and Director of the National Economic Council Larry Kudlow were expected to make the request of Senate Republicans on Tuesday afternoon.

The markets appeared to react positively to Trump's announcement, with futures on all three major indices surging by more than two percent.

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The president, who was joined in the White House briefing room by Vice President Mike Pence and the rest of the coronavirus task force, praised his administration’s work in combatting the virus – including prohibiting entry into the U.S. from certain countries and coordinating with state governors – and reiterated that the spread of the virus was not caused by mismanagement within Washington.

“This is not our country’s fault, this was something that was thrown at us,” Trump said. “The main thing is we’re taking care of the American public.”

Before his press conference, Trump met Mnuchin, Kudlow and other aides about a range of economic actions he could take. He also invited Wall Street executives to the White House on Wednesday to discuss the economic fallout of the epidemic.

Kudlow told reporters Friday that the administration is not looking at a “massive” federal relief plan. Rather, any federal aid package would be “timely and targeted and micro.”

Lawmakers on Capitol Hill had barely started to contemplate the economic implications of the spread of the virus and what might be needed to stimulate the economy as people cancel vacations and business trips and stay away from stores. Senate Finance Committee Chairman Chuck Grassley, R-Iowa, told reporters that “everything’s on the table."

But members of the Senate Republican leadership, including Sen. John Cornyn, R-Texas, played down the need for an economic stimulus package of any kind, be it tax cuts or aid for workers. “It’s premature to be talking about that,” Cornyn told reporters. “I usually love tax cuts but I think it’s a little premature.”

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Democrats have indicated they preferred other responses, like passing legislation requiring employers to give their workers paid sick leave — a longtime policy priority of Democrats — and additional help for those with lower incomes.

Pence, who is heading the task force combatting the outbreak of coronavirus, noted once again that the chances of Americans contracting the virus remain low – and of becoming seriously ill even lower – but warned that the precautions outlined by the Centers of Disease Control and Prevention (CDC) should still be followed.

While intent on projecting calm, Trump earlier in the day lashed out about the plunging stock market and convened a meeting of his top economic advisers to address what to do about it. Meanwhile, the number of Republican lawmakers who announced they were isolating themselves because of possible exposure to the virus grew to five.

As Trump grappled with an epidemic whose consequences he has repeatedly played down, the White House asserted it was conducting “business as usual.” But the day's business was anything but normal. Lawmakers pressed for details on how the Capitol could be made secure, a Pentagon meeting was broken into sub-groups to minimize the number of people in the same room and the Army commander in Europe placed himself in a precautionary quarantine.

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The president dove into handshakes with supporters Monday morning when arriving to headline a fundraiser in Longwood, Fla., that raised approximately $4 million for his reelection campaign and the Republican Party. He ignored shouted questions about the sinking stock market as he boarded Air Force One for the flight back to Washington.

On that flight was Rep. Matt Gaetz, R-Fla., who later went into a voluntary quarantine. He was one of several GOP lawmakers who were exposed to a person at last month's Conservative Political Action Conference (CPAC) who later tested positive for the virus.

Trump did not respond to shouted questions by reporters if he had been tested for the coronavirus following his flight with Gaetz. Pence said he did not know if the president had been tested but told reporters he had not himself received a test for the virus.

Late Monday evening, White House press secretary Stephanie Grisham issued a statement saying that Trump had not received testing for coronavirus because "he has neither had prolonged close contact with any known confirmed COVID-19 patients, nor does he have any symptoms"

"President Trump remains in excellent health, and his physician will continue to closely monitor him," Grisham said.

On Monday, Rep. Doug Collins, R-Ga., and Gaetz put themselves in voluntary quarantine because of their contacts with the infected person at CPAC.

Both said they did not have any symptoms but would wait out the remainder of the 14 days since the contact at home. Gaetz last week wore a gas mask to the House vote on the emergency funding bill for the virus response and said he wanted to highlight how Congress could become a “petri dish” for the virus.

Collins met Trump on Tuesday night at the White House and shook hands with him Friday when the president visited the Centers for Disease Control and Prevention's Atlanta headquarters.

“The president of the United States, as we all know, is quite a hand-washer," press secretary Stephanie Grisham told Fox News earlier Monday. "He uses hand sanitizer all the time. So he's not concerned about this at all.”

The Associated Press contributed to this report.