The other three are Republican Senator Ted Cruz and Republican Representative Paul Gosar, both of whom also were exposed at the CPAC conference, and Democratic congresswoman Julia Brownley. He added that he will self-quarantine for the remainder of the 14 day period "out of an abundance of caution".
His office acknowledged that he wore the mask, saying: "Congressman Gaetz had expected COVID-19 to impact Congress, given the elevated frequency of travel and human contact, and demonstrated his concern last week on the House Floor".
Rep. Doug Collins, the top Republican on the House Judiciary Committee, became the third member of Congress to self-quarantine after coming into contact with an individual who has been diagnosed with the novel coronavirus.
This afternoon, I was notified by CPAC that they discovered a photo of myself and the patient who has tested positive for coronavirus.
Two Republican congressmen say they were exposed to coronavirus - before having close contact with President Trump, including a handshake and a ride aboard Air Force One.
Mr Collins was with President Trump last Friday visiting the Atlanta, Georgia CDC headquarters where they were briefed on the virus' spread.
Our Washington office will be closed during this time, with our Pensacola office remaining open.
2nd Closest Supermoon for 2020 to Light Up the Sky on Monday
The Super Worm Moon will be 222,081 miles/357,404 km from Earth, about 7% closer than the average of 238,855 miles/384,400 km. Experts said that 2020 will have two supermoons occurring just a month apart, in March and April respectively.
Opec nears oil supply cut as coronavirus devastates global demand
That would have meant removing a total of about 3.6 million bpd from the market, or 3.6 per cent of global supply. Crude oil's week-long collapse continued with Brent crude oil falling to a 32-month low below $50/b.
California official demands voting changes after L.A. election chaos
Outside of California, "people have this expectation that election night means election night", Darr said. Still, many voters didn't allow the wait times to deter them from voting and waited patiently in line.
President Donald Trump, who was also at the event last month, insists he is in good health and has not taken a test.
But a dramatic run on stock market prices on Monday robbed him of one of his main talking points when touting his successes ahead of the November presidential election.
Meadows was tested for the coronavirus, and although that test came back negative and he has no symptoms, he's staying at home until Wednesday, when the 14-day risk period expires, a person familiar with the matter said. The California Democrat also said she is closing her Washington D.C. office this week after the interaction with the individual who is now self-quarantining.
But, on Monday, the White House announced that Mr Trump had not been tested for the virus.
Most of the passengers will go into quarantine at four military bases across the country, with those requiring immediate medical attention heading to hospitals. "President Trump remains in excellent health, and his physician will continue to closely monitor him", according to the statement.
In the meantime, Gaetz is self-quarantining until this week, his office tweeted.
"I'm extremely saddened to learn of the first fatality in our district from coronavirus, a Northwest Floridian residing in Santa Rosa County".