AstraZeneca Covid-19 Vaccine Linked to Rare Fatal Blood Clotting Disorder, New Research Reveals

New research has linked AstraZeneca’s Covid-19 vaccine, developed in collaboration with Oxford University, to an increased risk of vaccine-induced immune thrombocytopenia and thrombosis (VITT), a rare but potentially fatal blood clotting disorder. The study, conducted by researchers from Flinders University in Australia and international experts, identified platelet factor 4 (PF4) antibodies as the cause of VITT, shedding light on the molecular mechanisms underlying the disorder.

VITT first emerged as a new disease following the administration of the adenovirus vector-based Oxford-AstraZeneca vaccine during the Covid-19 pandemic in 2021. The research found that the PF4 antibodies in VITT cases associated with adenovirus infection shared identical molecular signatures with those observed in classic adenoviral vector VITT, suggesting similar pathways of lethal antibody production.

Professor Tom Gordon from Flinders University highlighted the clinical implications of these findings, noting that lessons learned from VITT could inform the management of rare cases of blood clotting after adenovirus infections and contribute to vaccine development efforts. The study, published in the New England Journal of Medicine, underscores the importance

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