Blood clot risk remained nearly a year after COVID-19 infection, study finds

A patient and doctor display a CAT12 device, in Calgary, Alta., in this file photo taken Thursday, Aug. 19, 2021. The device was used to save the patient's life after a deadly blood clot caused by COVID-19 developed. THE CANADIAN PRESS/Jeff McIntosh A patient and doctor display a CAT12 device, in Calgary, Alta., in this file photo taken Thursday, Aug. 19, 2021. The device was used to save the patient's life after a deadly blood clot caused by COVID-19 developed. THE CANADIAN PRESS/Jeff McIntosh

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This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the Novel Coronavirus SARS-CoV-2, orange, emerging from the surface of cells, green, cultured in the lab. (NIAID-RML via AP) This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the Novel Coronavirus SARS-CoV-2, orange, emerging from the surface of cells, green, cultured in the lab. (NIAID-RML via AP)

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Russia will annex 4 regions of Ukraine on Friday

Russia confirmed on Thursday it will formally annex parts of Ukraine where occupied areas held Kremlin-orchestrated 'referendums' on living under Moscow's rule that the Ukrainian government and the West denounced as illegal and rigged.

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