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In April 2021, the European Medicines Agency (EMA) announced that thrombosis could be a rare side effect after receiving a vaccine from AstraZeneki. As reported by the BBC, scientists were able to discover what factor could cause thromboembolism.

  1. Researchers in Cardiff and the United States have found a link between thrombosis and the adoption of AstraZeneca vaccine 
  2. The team of researchers believes that the adenovirus, which is part of the vaccine, is responsible for the thrombosis 
  3. Thrombosis has been linked to 73 deaths of nearly 50 million doses of AstraZeneki administered in the UK 
  4. You can find more such stories on the TvoiLokony home page

What is the link between thrombosis and AstraZeneki?

A team of scientists from Cardiff and the United States has shown how protein in the blood is attracted to a key ingredient in the AstraZeneka vaccine. According to them, it can cause a chain reaction that compromises the immune system, which in turn leads to the formation of blood clots.

When the EMA officially confirmed the link between thrombosis and AstraZeneka in April 2021, the UK set up a dedicated team. However, an explanation of the latest reports is still incomplete, emphasizes a spokeswoman for AstraZeneca.

  1. What symptoms after taking Astra Zeneki should worry you? These are symptoms of a thrombosis

How can AstraZeneki cause thrombosis?

The AstraZeneka vaccine is a combination of the genetic material of the COVID-19 virus with the weaker adenovirus. Although the vaccine is given into a muscle, it can pass into the bloodstream where it attracts a protein called platelet factor 4. In rare cases, the immune system considers it part of the virus, triggering a reaction that causes thrombosis.

  1. Do you want to test your COVID-19 immunity after vaccination? Have you been infected and want to check your antibody levels? See the COVID-19 immunity test package, which you will perform at Diagnostics network points.

Adenovirus causes thrombosis?

Scientists considered adenovirus to be the main trigger of thrombosis and took a detailed picture of it at the molecular level using cryoelectron microscopy. In a study published in the journal Science Advances, researchers revealed that adenovirus attracts platelet factor 4 to itself like a magnet.

Professor Alan Parker of Cardiff University in an interview with BBC News said bluntly: ‘Adenovirus has an extremely negative surface, and platelet factor four is extremely positive and the two things go together quite well.

  1. What’s more likely? Death in an accident or side effects after vaccination with AstraZeneka?

Further part under the video.

According to the researchers, the body starts attacking platelet factor 4 after mistaking it for part of the foreign adenovirus to which it is attached. This releases antibodies into the blood which clump together with platelet factor 4 and cause dangerous blood clots to form.

Vaccine-induced thrombosis has been linked to 73 deaths out of nearly 50 million doses of AstraZeneca administered in the UK.

Read also:

  1. Another EMA communication on AstraZeneca. Blood clots are ‘very rare side effects of the vaccine’
  2. Should I take paracetamol before vaccinating against COVID-19? [WE EXPLAIN]
  3. Thrombosis following AstraZeneca. Dr. Grzesiowski explains

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