Sen. Lindsey Graham Lindsey Olin GrahamSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-S.C.) is self-quarantining after a trip to Mar-a-Lago where Brazilian President Jair Bolsonaro was also present.

Graham, according to a statement from his office, “has no recollection of direct contact” with Bolsonaro, who is being monitored for the coronavirus, or his spokesman, who has tested positive.

“However, in an abundance of caution and upon the advice of his doctor, Senator Graham has decided to self-quarantine awaiting the results of a coronavirus test,” the statement from Graham’s office said.

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“This is a precautionary measure. He will continue to work from home,” the statement continued.

Graham is the third senator to self-quarantine. Sen. Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE (R-Texas) announced on Sunday that while he was healthy, he has self-quarantined after being exposed to a person who tested positive for the coronavirus.

Sen. Rick Scott (R-Fla.) also announced on Thursday that he will self-quarantine.

Several House lawmakers have also decided to quarantine themselves

The uptick in self-quarantined lawmakers comes amid growing concerns about the spread of coronavirus around Washington, D.C.

The Capitol is set to impose new restrictions on public access to the Capitol building that will last until April 1. In addition to limiting who can access the Capitol and the House and Senate office buildings, they will suspend public tours.