Scientists have discovered strange microscopic structures in the blood of people with Long COVID—clusters of tiny microclots tangled together with sticky immune webs known as neutrophil extracellular ...

Remember when we thought Covid was a two-week illness? So does Michael Peluso, assistant professor of medicine at the University of California, San Francisco. He recalls the rush to study acute Covid ...

Five years on, scientists are starting to understand how the virus can lead to long-term, sometimes invisible changes. Credit...Ibrahim Rayintakath Supported by By Dani Blum Nina Agrawal and Alice ...

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In a recent study, researchers have unveiled the presence of peculiar microscopic structures in the blood of Long COVID patients. These formations, reported on November 13, 2025, are described as ...