Sen. Mitt Romney Willard (Mitt) Mitt RomneyGOP set to release controversial Biden report McConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? MORE (R-Utah) on Sunday became the second senator to self-quarantine after Sen. Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Ky.) announced that he had tested positive for the coronavirus.

The announcement came less than an hour after the Senate was set to hold a procedural vote on a massive coronavirus stimulus package, leaving Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellOcasio-Cortez to voters: Tell McConnell 'he is playing with fire' with Ginsburg's seat McConnell locks down key GOP votes in Supreme Court fight Video shows NYC subway station renamed after Ruth Bader Ginsburg MORE (R-Ky.) short another GOP vote.

"Since Senator Romney sat next to Senator Paul for extended periods in recent days and consistent with [Centers for Disease Control and Prevention] guidance, the attending physician has ordered him to immediately self-quarantine and not to vote on the Senate floor," Romney's office said in a statement on Sunday.

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Romney's office added that the Utah senator "has no symptoms but will be tested."



Romney's decision comes after Sen. Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE (R-Utah) announced he also would self-quarantine in response to Paul's positive test. They are two of several GOP senators who are currently in self-quarantine because of exposure to an individual who tested positive.

McConnell would need 60 votes and Democratic support to pass the procedural hurdle on the stimulus package. The decisions by multiple GOP senators to self-quarantine are temporarily cutting away at the Senate GOP's 53-47 majority.

Romney urged his colleagues to support the massive stimulus package, which he has been involved in negotiating.

"He urges members to pass a relief package as quickly as possible that provides assistance for families, workers and small businesses," he said.



With Paul, Lee and Romney self-quarantined, in addition to Sens. Cory Gardner Cory Scott GardnerMcConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 MORE (R-Colo.) and Rick Scott (R-Fla.), who announced they self-quarantined after contacts with individuals who tested positive, the breakdown in the Senate is currently 48-47. Sens. Ted Cruz Rafael (Ted) Edward CruzMurkowski: Supreme Court nominee should not be taken up before election Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (R-Texas) and Lindsey Graham Lindsey Olin GrahamMcConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? Momentum growing among Republicans for Supreme Court vote before Election Day MORE (R-S.C.) had previously self-quarantined but are out of isolation.