Study finds how COVID-19 hastens stroke risk A recent study led by researchers from University of California- Los Angeles Health Sciences (UCLA) determined the running fluid spiked with a COVID-19-like protein through a 3D-printed model to explain how the virus increases the risk of stroke.ANI | Los Angeles (California) | Updated: 20-12-2020 14:46 IST | Created: 20-12-2020 14:46 IST Representative Image. Image Credit: ANI A recent study led by researchers from University of California- Los Angeles Health Sciences (UCLA) determined the running fluid spiked with a COVID-19-like protein through a 3D-printed model to explain how the virus increases the risk of stroke. COVID-19 was initially identified as a disease with severe respiratory symptoms, but a little is known about how it increases the risk of stroke.