Lindsey Graham tests positive for COVID-19
Sen. Lindsey Graham (NBC News)

Sen. Lindsey Graham (R-SC) announced on Monday that he has tested positive for the novel coronavirus despite being fully vaccinated.

In a tweet posted Monday afternoon, Graham revealed that he "started having flu-like symptoms Saturday night" and went to the doctor this morning, where he learned that he had contracted the disease.

"I feel like I have a sinus infection and at present time I have mild symptoms," Graham added. "I will be quarantining for ten days."