AstraZeneca vaccine

AstraZeneca

vaccine & thrombosis

The possible cause of these rare thrombosis cases have been found by German scientists and they have a known treatment

The fact that there have been some cases of thrombosis well-advertised in the press and television news, it has triggered a reluctance to be vaccinated against Covid-19 as suspicion is created that the cause of death by thrombosis is the vaccine itself.

It is likely that an immune reaction is behind the cases of sinus vein thrombosis that have occurred after administration of the AstraZeneca vaccine. This immune reaction activates platelets in the blood and can therefore trigger thrombosis. The mechanism has been studied by a research group at the Greifswald University Hospital in Germany.

This effect is already known as heparininduced thrombocytopenia (HIT). A reaction characterized by the formation of antibodies that activate platelets in the presence of heparin, a drug that is also found naturally in the blood and is an anticoagulant.

This reaction has a high genetic component, and therefore people with a known tendency to thrombosis do not have to be at greater risk from the vaccine. In fact, thromboses have occurred less frequently among vaccinated people than among the general population. In very rare cases, antibodies generated by the body in response to the vaccine may trigger the same symptoms as in HIT. However, it is not yet clear which antibodies are involved. The

important thing, according to the research team, is that there is a treatment for these cases.

Based on the results of this research, the researchers recommend that suspicious symptoms similar to HIT be monitored. Vaccinated individuals who experience dizziness, headaches, or visual disturbances from the fifth day after vaccination should undergo the HIT type 2 test.

If the test is positive, treatment consists of intravenous immunoglobulin G (IVIG) to counteract the activation of the genes that cause the reaction, thereby disrupting the mechanism that leads to thrombosis.

This means that sinus venous thrombosis, an already very rare event that has not been proven to be associated with the vaccine, can be treated directly when it occurs.

As a result, the resumption of vaccinations in Germany with this vaccine is to be welcomed because the positive effects of vaccination with the AstraZeneca COVID-19 Vaccine outweigh the negative effects.

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