A study by Oxford University found the number of people who receive blood clots after getting vaccinated with a coronavirus vaccine are about the same for those who get Pfizer PFE, -1.96% and Moderna MRNA, -4.34% vaccines as they are for the AstraZeneca AZN, -0.91% vaccine that was produced with the university’s help. According to the study, 4 in 1 million people experience cerebral venous thrombosis after getting the Pfizer or Moderna vaccine, versus 5 in 1 million people for the AstraZeneca vaccine. The risk of getting CVT is much higher for those who get COVID-19 — 39 in a million patients — than it is for those who get vaccinated. AstraZeneca’s vaccine use has been halted or limited in many countries on blood clot concerns.
