Rep. Ben Ray Luján (D-N.M.), the assistant Speaker and fourth-ranking member of House Democratic leadership, announced Monday that he is self-quarantining after interacting with a person who later tested positive for the coronavirus.

Luján's office said in a statement that the individual was asymptomatic at the time of the "brief" interaction but later developed symptoms and was diagnosed with the virus.

The statement added that Luján is not showing symptoms and has been advised by health professionals that the probability of infection is low.

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"We did this out of an abundance of caution for public health," a Luján spokeswoman said.

Staff in Luján's offices in Washington and New Mexico also began previously scheduled telework on Monday, along with many other congressional offices.

Luján is the first member of leadership in either the House or Senate to self-quarantine after potential exposure to someone later diagnosed with the coronavirus.

Luján is also running for the Senate.

Several other members of Congress have self-quarantined in recent days, including multiple GOP lawmakers who had contact with an individual at the Conservative Political Action Conference (CPAC) who was later diagnosed with the virus.

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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) was one of the GOP lawmakers who self-quarantined after attending CPAC. Cruz announced late last week that he is extending his self-quarantine after meeting earlier this month with Santiago Abascal, the leader of Spain's far-right Vox Party, who later tested positive for the coronavirus.

Other lawmakers who have entered self-quarantine include Sens. 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.) and Rick Scott (R-Fla.) as well as Reps. Mark Meadows Mark Randall MeadowsTrump reacts to Ginsburg's death: 'An amazing woman who led an amazing life' Trump carries on with rally, unaware of Ginsburg's death United Airlines, unions call for six-month extension of government aid MORE (R-N.C.), Doug Collins Douglas (Doug) Allen CollinsWin by QAnon believer creates new headaches for House GOP Andrew Clyde wins Georgia GOP runoff to replace Doug Collins New poll shows tight presidential race in Georgia MORE (R-Ga.), Paul Gosar Paul Anthony GosarPelosi must go — the House is in dire need of new leadership LWCF modernization: Restoring the promise Trump tweets his people have all left Drudge MORE (R-Ariz.), Matt Gaetz Matthew (Matt) GaetzLara Trump campaigns with far-right activist candidate Laura Loomer in Florida House to vote on removing cannabis from list of controlled substances The Hill's 12:30 Report: Sights and sounds from GOP convention night 1 MORE (R-Fla.), Julia Brownley Julia Andrews BrownleyHouse Democrats eyeing much broader Phase 3 stimulus Assistant House Speaker self-quarantines out of 'abundance of caution' Actor Orlando Bloom to self-quarantine MORE (D-Calif.) and Don Beyer (D-Va.).

So far, no members of Congress have been diagnosed with the coronavirus.