key: cord-0983957-lv8jdo6o authors: Leong, Leanne Ca-Yin; Hong, Wei-Zhen; Khatri, Priyanka title: Reactivation of Minimal Change Disease and IgA Nephropathy after COVID-19 Vaccination date: 2021-12-01 journal: Clin Kidney J DOI: 10.1093/ckj/sfab241 sha: 6e101e85ef93f325c3948ec4478da59cee84a022 doc_id: 983957 cord_uid: lv8jdo6o nan . There is a possible role of T-cell mediated immune dysregulation precipitated by mRNA vaccination leading to glomerular disease flares 3 . Further research is warranted in this area. Adequate patient counselling and monitoring for early relapse should be vigilantly practised by managing nephrologists following COVID-19 vaccination. We obtained informed consent from the patients to publish their case. Relapse of Minimal Change Disease Following the Pfizer-BioNTech COVID-19 Vaccine Gross hematuria following vaccination for severe acute respiratory syndrome coronavirus 2 in 2 patients with IgA nephropathy COVID-19 vaccine BNT162b1 elicits human antibody and T H 1 T cell responses None declared.