Risk of blood clots by new coronavirus infection is higher than vaccine

Risk of blood clots by new coronavirus infection is higher than vaccine.  Studies have shown that compared with vaccines, the risk of blood clots caused by new coronavirus infection is higher.

A new study from the University of Oxford found that the risk of blood clots caused by the new coronavirus (COVID-19) itself is much higher than that of vaccination.

Recently, the University of Oxford and the Oxford Health Biomedical Research Center conducted a statistics on COVID-19n confirmed patients and the COVID-19 vaccine vaccinators. The statistical objects are the COVID-19 infected patients within two weeks after the diagnosis and the COVID-19 vaccination patients receiving the first dose of vaccine. The number of cerebral venous thrombosis (CVT) cases diagnosed in the next two weeks, and these numbers were compared with the incidence of influenza CVT and the incidence of CVT in the general population.

The statistical report shows that the occurrence of CVT after infection with COVID-19 pneumonia is more common than any other comparison group, and 30% of the cases occur under the age of 30. Compared with the current COVID-19 vaccine, the risk of thrombosis (CVT) after infection with the COVID-19 virus is 8-10 times higher, and about 100 times higher than the baseline (ie, the general population).

The statistical results of CVT caused by different types of vaccines in the report are as follows:

In this study of more than 500,000 people with COVID-19 infections, 39 out of a million patients developed cerebral venous thrombosis (CVT).

In a study of more than 480,000 COVID-19 mRNA vaccine (Pfizer or Moderna) vaccinators, 4 out of a million vaccinators developed CVT.

According to previous reports, after the first vaccination of AZ-Oxford (AstraZeneca) COVID-19 vaccine, 5 out of a million people developed CVT.

Compared with mRNA vaccines, the risk of CVT caused by the new coronavirus is approximately 10 times higher.

Compared with the AZ-Oxford (AstraZeneca) vaccine, the risk of the new coronavirus causing CVT is approximately 8 times higher.

The report pointed out that as relevant data is still accumulating, the cause of CVT still needs to be further explored.

news source:
https://www.ox.ac.uk/news/2021-04-15-risk-rare-blood-clotting-higher-covid-19-vaccines
The complete data can be obtained from the OSF website (https://osf.io/a9jdq/).

(source:internet, reference only)

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