“…Following databases were used: Google Scholar, Excerpta Medica and the United States National Library of Medicine. Eighty-seven patients with immunoglobulin A-mediated diseases associated with SARS-CoV-2 infection or vaccination against it were sorted out (53% males, 47% females; 34 (Morisawa and Honda, 2022; Negrea and Rovin, 2021; Niel and Florescu, 2022; Okada et al, 2022; Park et al, 2021; Perrin et al, 2021; Plasse et al, 2021; Rahim et al, 2021; Srinivasan et al, 2022; Tan et al, 2021; Udagawa and Motoyoshi, 2022; Watanabe et al, 2022; Yokote et al, 2022; Apaydın et al, 2021; Huang et al, 2020; Pérez et al, 2021; Badier et al, 2021; Ball-Burack and Kosowsky, 2021; Bostan et al, 2021; Chandwar et al, 2022; Fritzen et al, 2022; Grossman et al, 2021; Hines et al, 2021; Iwata et al, 2021; Kondo and Yamanaka, 2021; Maye et al, 2021; Mohamed et al, 2021; Naitlho et al, 2021; Nakatani et al, 2022; Obeid et al, 2021; Oniszczuk et al, 2021; Park et al, 2021; Sirufo et al, 2021; Al Haji et al, 2021; Al Ghoozi and AlKhayyat, 2021) [17] , [18] , [19] , [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [32] , [33] , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] , [51] 17-51 years of age, median and interquartile range): 47 cases of Berger glomerulonephritis and 40 of Henoch-Schönlein vasculitis. Approximately 50% (N = 24) of Berger glomerulonephritis and 10% (N = 4) of Henoch-Schönlein vasculitis patients presented with a pre-existing history of immunoglobulin A-mediated disease.…”