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Vaccine-induced blood clots may be the result of genetics, study finds

August 30, 2022

Colorado Springs

(719) 309-3000

The rare blood clot side-effect associated with some COVID-19 vaccines could be the result of genetics, new research has found, paving the way for a potential genetic screening test.

Vaccine-induced thrombotic thrombocytopenia (VITT), a rare disorder causing thrombosis (blood clotting) and thrombocytopenia (low blood platelet counts), was early in 2021 linked to the AstraZeneca COVID-19 vaccine, leading the Australian government to restrict its rollout to those aged over 65. It is also associated with the Johnson & Johnson vaccine Janssen, although the vaccine is not currently included in Australia’s vaccination program.