Scientists believe they may have found the trigger behind the extremely rare blood clot complications stemming from the Oxford/AstraZeneca’s Covid vaccine.
According to a team of researchers from Cardiff and the US, the reaction can be traced to the way the adenovirus used by the vaccine to shuttle the coronavirus’s genetic material into cells binds with a specific protein in the blood, known as platelet factor 4 (PF4).
Researchers think this may spark a chain reaction in the immune system that can culminate in the development of blood clots – a condition known as vaccine-induced immune thrombotic thrombocytopenia (VITT).
Prof Alan Parker, from Cardiff University’s School of Medicine, said: “VITT only happens in extremely rare cases because a
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