Pfizer’s COVID-19 vaccine has been linked to blood clotting in older individuals, according to the U.S. Food and Drug Administration (FDA).

FDA researchers, crunching data from a database of elderly persons in the United States, found that pulmonary embolism—blood clotting in the lungs—met the initial threshold for a statistical signal and continued meeting the criteria after a more in-depth evaluation.

https://12ft.io/proxy?

 

Surveillance of COVID-19 vaccine safety among elderly persons aged 65 years and older

https://www.sciencedirect.com/science/article/pii/S0264410X22014931