Doctors compared the risk of thrombosis after Pfizer and AstraZeneca vaccines

More than 500 thousand people took part in the study. As it turned out, thrombosis occurs with a probability of 39 cases per million.




The risks of cerebral venous thrombosis after the use of vaccines by Pfizer and Moderna are approximately the same as after the drug AstraZeneca.

This conclusion was reached by scientists from the University of Oxford.

More than 500 thousand people took part in the study. As it turned out, thrombosis occurs with a probability of 39 cases per million.

In more than 480 thousand people who received the Pfizer or Moderna vaccine, the formation of blood clots in the veins of the brain can occur with a probability of four cases per million.

A similar side effect in those vaccinated with the AstraZeneca vaccine can occur with a probability of five cases per million after the first dose of the vaccine.

At the same time, the risk of blood clots from the coronavirus is 10 times higher than after using the Pfizer or Moderna vaccine, and 8 times higher than after using the AstraZeneca vaccine.

As previously reported, the European Commission in 2022 will not extend the contracts for the supply of vaccines to AstraZeneca and Johnson & Johnson.




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