Medical research

A breakthrough in the physics of blood clotting

Heart attacks and strokes—the leading causes of death in human beings—are fundamentally blood clots of the heart and brain. Better understanding how the blood-clotting process works and how to accelerate or slow down ...

Vaccination

Chile limits use of AstraZeneca after clot case

Chile on Thursday became the latest country to limit use of the AstraZeneca coronavirus vaccine, linked to rare blood clots, when a 31-year-old man developed thrombosis after being immunized.

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