Sen. Roger Wicker walks through the Senate Subway to the Senate floor at the U.S. Capitol on August 7, 2021 in Washington, DC
Sen. Roger Wicker walks through the Senate Subway to the Senate floor at the U.S. Capitol on August 7, 2021 in Washington, DC
Sarah Silbiger/Getty Images
  • Roger Wicker, Mississippi's senior senator, has a "breakthrough" COVID infection.
  • He is the second US senator to announce a COVID-19 infection following vaccination.
  • Mississippi is currently leading the country in COVID-19 cases.
  • See more stories on Insider's business page.

Republican Sen. Roger Wicker of Mississippi, who has been vaccinated against COVID-19, has tested positive for the disease, according to a spokesman

"Senator Wicker tested positive this morning for the COVID-19 virus after immediately seeking a test due to mild symptoms. Senator Wicker is fully vaccinated against COVID-19, is in good health, and is being treated by his Tupelo-based physician," said Phillip Waller, the senator's communications director, in a statement. "He is isolating, and everyone with whom Senator Wicker has come in close contact recently has been notified."

Wicker is the second US senator to disclose a "breakthrough" infection, following Lindsey Graham's diagnosis on August 3.

Meanwhile the pandemic continues to worsen in Wicker's home state of Mississippi; according to the New York Times COVID-19 tracking page, Mississippi currently has the highest per-capita case rate of COVID-19, with 118 cases per 100,000 residents.

Just 36% of Mississippians are fully vaccinated against COVID-19, the second-lowest rate for a US state, except for Alabama.

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