Senators Roger Wicker, Republican of Mississippi, Angus King, unbiased of Maine, and John Hickenlooper, Democrat of Colorado, mentioned on Thursday that that they had examined optimistic for the coronavirus, including to the variety of breakthrough circumstances amongst lawmakers.

“Senator Wicker is absolutely vaccinated in opposition to Covid-19, is in good well being and is being handled by his Tupelo-based doctor,” his spokesman, Phillip Waller, mentioned in a statement released by his office, including that the senator was experiencing solely gentle signs.

The announcement from Mr. Wicker got here as his dwelling state has shattered earlier data for brand new circumstances this week, and is now reporting extra new circumstances relative to its inhabitants than every other state within the nation. Mississippi is averaging 118 new circumstances a day for each 100,000 folks, in accordance with data compiled by The New York Times.

Mr. King’s assertion mentioned he was symptomatic however taking advisable precautions.

“Whereas I’m not feeling nice, I’m undoubtedly feeling significantly better than I might have with out the vaccine,” he mentioned. “I’m taking this prognosis very critically, quarantining myself at dwelling and telling the few folks I’ve been in touch with to get examined as a way to restrict any additional unfold.”

Mr. Hickenlooper said on Twitter that he was experiencing restricted signs and expressed gratitude to scientists who had developed the vaccine. He additionally inspired vaccinated folks to get booster pictures in accordance with a plan that the Facilities for Illness Management and Prevention announced this week.

The Senate is in recess this week after adjourning early final Wednesday, leaving it unclear whether or not any of the lads had been in latest contact with different lawmakers, in addition to when or the place they have been first uncovered. Their diagnoses convey to 11 the variety of senators who’ve examined optimistic up to now, in accordance with information experiences compiled by Ballotpedia, a political knowledge web site; greater than 50 members of the Home have examined optimistic.

A number of different vaccinated politicians have lately introduced breakthrough circumstances of their very own, together with Senator Lindsey Graham of South Carolina, who said he had tested positive for the virus after attending a gathering hosted by Senator Joe Manchin III of West Virginia.

On Tuesday, Gov. Greg Abbott of Texas tested positive and started receiving an antibody therapy, highlighting each the rising issues over breakthrough circumstances in the US and the political tensions over public well being measures that Mr. Abbott has persistently opposed in his dwelling state.

Whereas Mr. Wicker has inspired his constituents to get vaccinated and has applauded the nationwide vaccination effort in official statements, he has additionally resisted components of the Biden administration’s coronavirus response. In June, he introduced a resolution calling on the C.D.C. to finish a masks mandate for vaccinated folks on public transportation.

Because the Delta variant spreads aggressively, infections in vaccinated folks have been seen extra incessantly, although they’re nonetheless uncommon. The surge and the rising frequency of breakthrough infections have prompted businesses to increase public well being measures. The Transportation Safety Administration mentioned on Tuesday that the mask mandate would stay in impact on public transportation by means of Jan. 18.