Blood clots: Signs, symptoms and vaccines

Though very rare, it’s the risk for blood clots that paused the Johnson & Johnson COVID-19 vaccine. A blood clot can form anywhere in the body and, most often, the body naturally dissolves them without showing any sign or symptom. In the news lately, though, blood clots can also result in potentially devastating health conditions, such as a stroke, heart attack or pulmonary embolism. A clot is formed when liquid blood within the body thickens and coagulates into a clump-like, semi-solid state. If th

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FDA restricts J&J's COVID-19 vaccine due to blood clot risk

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