Table 1.

Summary of studies showing haematological complications of some post-injection COVID-19 vaccines

Patient	Vaccine or drugs	Results	Ref
A 60-year-old man	Moderna mRNA vaccination	No personal or family history of haematological conditions Bone marrow biopsy confirmed very severe aplastic anemia with severely hypocellular bone marrow	[116]
84-year-old man	Pfizer and BioNTech	One case of severe autoimmune hemolytic anemia was identified in the third week after administration of the Pfizer-BioNTech COVID-19 vaccine. However, the condition improved after corticosteroid treatment	[117]
25-year-old man	Spikevax (mRNA-1273, Moderna Biotech, USA)	Diagnosis of thrombotic thrombocytopenic purpura after SARS-CoV-2 vaccine	[118]
75-year-old woman	BNT162b2	Development of autoimmune hemolytic anemia after vaccination	[119]
69-year-old man	ChAdOx1 and BNT162b2	TTP	[120]
56-year-old male	Pfizer-BioNTech mRNA vaccine	AA	[121]

Abbreviations: AA Aplastic anemia, TTP, Thrombotic thrombocytopenic purpura