The risky reality of 'breakthrough' COVID infections

Delta is different

A wrecking ball and syringes.
(Image credit: Illustrated | iStock)

A popular British news broadcaster named Andrew Marr appeared on BBC News at the end of June to share he'd recently contracted a "nasty" case of COVID-19. "It was really, really quite unpleasant," the 61-year-old Marr said, adding that he had "a high temperature, muscle ache, the shakes, a bad headache, and flu-like cold symptoms."

That all sounds pretty textbook as far as COVID-19 stories go, but with one catch: Marr was fully vaccinated. He'd received two doses of the Pfizer vaccine back in the spring, and, by his own account, felt "if not king of the world, at least almost entirely immune." He was not.

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Jessica Hullinger

Jessica Hullinger is a writer and former deputy editor of The Week Digital. Originally from the American Midwest, she completed a degree in journalism at Indiana University Bloomington before relocating to New York City, where she pursued a career in media. After joining The Week as an intern in 2010, she served as the title’s audience development manager, senior editor and deputy editor, as well as a regular guest on “The Week Unwrapped” podcast. Her writing has featured in other publications including Popular Science, Fast Company, Fortune, and Self magazine, and she loves covering science and climate-related issues.