The reason why some people develop blood clots after receiving the Oxford-AstraZeneca or Johnson & Johnson COVID-19 vaccinations, according to an international team of researchers from the United Kingdom and the United States, may have been discovered.
Around March 2021, news surfaced that some younger people had developed an unusual form of blood clotting as a result of the vaccinations.
Some governments responded by limiting access to the AstraZeneca vaccination to those over the age of 60, for example.
Researchers that collaborated with AstraZeneca have now published their peer-reviewed findings eight months later. They believe that these viral vector vaccines attract a protein, which triggers an immune response that initiates a potentially dangerous process: blood clotting.
Platelet factor 4 is a protein that is normally related with coagulation.
