Coronavirus: Scientist claims preservative in AstraZeneca vaccine could explain blood clot link

A preservative in AstraZeneca’s Covid vaccine may trigger a rare overreaction from the immune system that causes blood clots, a scientist has claimed. Tiny numbers of people given the jab or the one made by Johnson & Johnson have developed a clotting condition that spooked some countries into turning their backs on it. The reasons for this … Read more