A pair of U.S. senators and one House member announced Sunday they tested positive for COVID-19.

Sens. Elizabeth Warren and Cory Booker, both Democrats, announced their diagnoses on Twitter, followed by Rep. Jason Crow, a Democrat from Colorado. All three said they are fully vaccinated and boosted and have mild cases.

The positive tests come as the omicron variant of COVID-19 quickly spreads across the United States and the rest of the world, feeding a winter surge in cases and accompanying wave of new restrictions meant to stop the spread.

"I regularly test for COVID & while I tested negative earlier this week, today I tested positive with a breakthrough case," Warren tweeted. "Thankfully, I am only experiencing mild symptoms & am grateful for the protection provided against serious illness that comes from being vaccinated & boosted."

WASHINGTON STATE LAWMAKER DIES AFTER TESTING POSITIVE FOR COVID-19

Warren did not note if this was a particular variant of COVID-19 or if anyone else in her household or on her staff had been infected with the virus.

The 72-year-old Massachusetts Democrat used the announcement to encourage followers to get the vaccine. "As cases increase across the country, I urge everyone who has not already done so to get the vaccine and the booster as soon as possible — together, we can save lives."

Hours later, Booker, who hails from New Jersey, said he tested positive.


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"I learned today that I tested positive for COVID-19 after first feeling symptoms on Saturday. My symptoms are relatively mild. I’m beyond grateful to have received two doses of vaccine and, more recently, a booster — I’m certain that without them I would be doing much worse," he said.

Crow, a 42-year-old Army veteran who served in the 75th Ranger Regiment, said he tested positive for COVID-19 after returning from a congressional delegation visit to Ukraine.


"I’m thankful to be fully vaccinated and boosted and experiencing only mild symptoms (the vaccine is safe and effective)," he said in a tweet.

Booker, 52, and Crow also shared links about the importance of vaccines and booster shots.