MPO and COVID-19: Recent research suggests that thrombosis in COVID‐19 patients is connected to increased NETs production. Numerous studies have assessed higher amounts of NE, histone‐DNA, MPO‐DNA, NE‐DNA, circulating cell‐free DNA (cfDNA), and (citrullinated) histone H3 (H3cit) in blood, plasma, and tissues, and higher levels of NETs formation were found to be connected with disease severity.39