The curious case of the 471-day coronavirus infection
A patient’s lingering infection gave scientists a good look at viral evolution
![A row of 10 positive coronavirus tests on a table](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/08/082522_mr_400day-infection_feat.jpg?fit=1030%2C580&ssl=1)
Some people develop persistent coronavirus infections and continue to test positive for months, which could let the virus evolve rapidly.
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