email article ST-segment myocardial infarction (STEMI) in COVID-19 patients was linked to a higher burden of neutrophil extracellular traps (NETs) in a case series suggesting an "important role" in pathogenesis of coronary thrombosis from the infection. These structures -- webs spun by neutrophils to snag pathogens -- turned up in coronary thrombi of all five COVID-positive STEMI patients where thrombus aspiration was done in the cath lab of one Spanish academic center. The density of NETs was much higher in these samples than in a historical STEMI series of 50 patients, of whom 68%...