This marks the first time that someone known to have the virus was in close proximity to the president.
Wajngarten shared a personal photo of the Trump-Pence meeting on his Instagram page.
Sen. Rick Scott, R-Fla., has been among the group of Republicans who has been consistently referring to it as the "Chinese Coronavirus" in his statements, but not in the one announcing his own self-quarantine today.
Dr Thomas File, president of the Infectious Diseases Society of America, said that anyone within 5 feet of an infected individual for five minutes or more had potential exposure to the virus. Bolsonaro also cancelled a trip he had planned to make Thursday, after spending the past few days playing down the risks of the virus. Bolsonaro and Wajngarten later attended a birthday party for Kimberly Guilfoyle, who is dating the president's son Donald Trump Jnr.
BLACK MONDAY Russian Share Prices Collapse, Ruble and Oil Tumble
Some of Britain's biggest companies plunged in value by billions of pounds, with oil stocks recording the most severe losses . It's set on Monday to mark the 11th anniversary of hitting bottom after the 2008 financial crisis.
According to reports, Bolsonaro's communication secretary tested positive on Wednesday after showing flu-like symptoms. "However, he is not exhibiting any symptoms of the disease", Eduardo Bolsonaro, a lawmaker, wrote on Twitter.
Bolsonaro's aide posted an image of himself standing with Trump and US Vice President Mike Pence at Mar-a-Lago over the weekend.
"We had dinner in Florida at Mar-a-Lago with the entire delegation", Trump told reporters Thursday in the Oval Office. He's doing a terrific job in Brazil and we'll find out what happens, I guess they're being tested right now.
The President of the Republic, Jair Bolsonaro, was tested for the Covid-19 coronavirus on Thursday, March 12th. He said, "we did nothing very unusual".
Mr Bolsanoro was due to reveal the results of his test on Friday, but a government source told Rio de Janeiro newspaper O Dia that the president had tested positive.
"We do need separation for a little period of time". Trump said that he hasn't shaken hands with Varadkar and his associates.