Do mRNA vaccines eventually cause clots? What a study by the Sorbonne shows


MRNA vaccines do not cause the blood to clot, so they do not trigger the thrombosis process, even in cancer patients, who experts would expect to be more vulnerable to, as cancer is one of the leading causes of thrombosis.

The finding comes from a study of the Department of Cancer and Thrombosis INCERM U938 of the Medical School of the Sorbonne, which was done in collaboration with the Therapeutic Clinic of the Medical School of EKPA, and about which he spoke at the FM Agency and in the show of Tania H. 104 Mantouvalos , 9 HEALTH SECRETS “, the main researcher of the study, professor of hematology at the Medical School of the Sorbonne University and director of the Cancer and Thrombosis research team, INSERM U938, Grigoris Gerotziafas.

This is a prospective study that we did in collaboration with the University of Athens and specifically with professors Mr. Dimopoulos and Mr. Terpos in the period May-July, explained Mr. Gerotziafas to explain that the study was done in two groups: “In health from hospitals in Athens, and to cancer patients from our oncology department, who were vaccinated with the Pfizer vaccine. A total of 200 people participated in the study, 100 in each group. We used very sensitive molecular markers of activation of endothelial cell coagulation (the cells that cover the inner surface of blood vessels) and inflammation. Measurements were made before vaccination, and within 2-5 days after the first dose. The first picture we have is that 2 to 5 days after the administration of the vaccines, both in health and in cancer patients, there is no significant activation of blood vessels, nor significant activation of blood clotting. We have evidence of inflammatory activation, but this is normal, because that is what vaccines do. They create the stimulus in order for the body’s defense to react “.

The vaccine is mandatory for people with a history of thrombosis

The results of the study, to be announced next week at a conference of the American Society of Hematology, reinforce, according to Gerotziafas, the notion that mRNA vaccines do not systematically affect the vascular system and blood clotting, and as therefore they do not trigger the process that causes thrombosis. “That’s why we say that even people who have had arterial or venous thrombosis should get the vaccine.”

The question that arises is whether the thrombosis can be caused within this period of 2-5 days after the administration of the vaccine or even later. “No,” the hematologist answers categorically. Because, as he explains, vaccines are one-shot. They disappear from the body after a few days. “In each dose of the vaccine, there are some symptoms such as headache, myalgia, etc. for the next 24 hours, because the cells begin to express the virus-like stimulus and the virus attacks the cells. Then we have the peak. Then the symptoms disappear, because the cells that have changed their genetic material and express the virus protein, are killed by the body. “In 48 or 72 hours, none of these genetically modified cells remain in the body.”

Vascular cells are modified by the virus, not by the vaccine

“In other words, there is no reason for people to worry that making an mRNA vaccine is a long-term modification of their body. “On the contrary, when we become infected with the coronavirus, there is a modification of the vascular cells, which we find up to two months later in people who have survived Covid, in a percentage of 25%”.

The study, as it is perspective, concludes the Sorbonne professor, has been done at a later time, ie 2-5 days after the second dose, and before the second dose and one month after it, and the results are the same.

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