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Possible immune mechanisms causing ITP after anti-SARS-CoV-2 vaccination: (1) Immune response causing production of protective antibodies against SARS-CoV-2 (A) with possible molecular mimicry against platelet antigens (B); (2) oligosense antinucleotides in mRNA vaccines causing post-vaccine thrombocytopenia; (3) development of ITP, either de novo or progression from sub-clinical ITP after anti-SARS-CoV-2 vaccine.
