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Jun 01, 2026

Fox Host Roberts Says COVID Vaccine Boosters Triggered Pericarditis

A longtime Fox News anchor has revealed new details about a serious health problem he experienced during the COVID-19 pandemic, describing a condition that disappeared before unexpectedly returning.

The veteran journalist said his body reacted differently as he received additional doses, and he now believes there was a direct connection between the timing of those shots and what happened to his heart.

Fox News “America Reports” co-anchor John Roberts said during a recent on-air interview that he developed pericarditis after receiving a COVID-19 vaccine booster and that the condition returned after he received another booster.

“I remember when I got the boosters, I developed pericarditis, and then that went away,” Roberts said.

“Then, when I had the second booster, it came roaring back again,” he continued.

“So, you know, the body reacts differently to these things depending on who you are,” Roberts added.

Roberts said he received four COVID-19 vaccine doses in total, with his first bout of pericarditis occurring following his third dose, commonly described as the first booster.

Pericarditis is inflammation of the pericardium, the thin sac surrounding the heart, and can produce symptoms including sharp chest pain that may sometimes resemble symptoms associated with other heart problems.

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Roberts indicated that his first episode eventually subsided, but said the condition “came roaring back again” following his next booster.

The Fox News anchor’s comments are particularly notable because Roberts has publicly discussed a complicated history of heart problems separate from his recent account involving pericarditis.

In early 2022, Roberts underwent a cardiac procedure that resulted in doctors implanting a pacemaker after he experienced additional heart problems, including complications involving a previously implanted stent.

Roberts joked afterward that he was now “battery powered” and acknowledged that he had not been feeling well before undergoing the procedure.

The longtime correspondent has also publicly discussed his battle with atrial fibrillation, commonly known as AFib, which causes an irregular and sometimes rapid heartbeat.

Roberts wrote in a 2024 social media post that he was seeking treatment at the Cleveland Clinic for “the intractable AFib that has plagued me since that whole ‘COVID thing.'”

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