Study links COVID infection to heart attacks, strokes University of Minnesota Twin CitiesCOVID may increase risk of heart attack, death years after infection: study WGN TV ChicagoCOVID-19 may increase risk of death years after infection: Study The HillThe Long Haul: How COVID Continues to Threaten Your Heart Years After Infection SciTechDailyCOVID-19 may increase heart attack and stroke risk for years American Heart Association News