Research Confirms The Chance Of Blood Clots After Vaccines


The informative study published to date on several post-vaccination side effects confirmed that individuals had a slightly higher risk of blood clots after injecting AstraZeneca or Pfizer BioNTech. 

However, studies have shown that similar blood clotting is more likely and permanent in people positive with the coronavirus.

Research Confirms The Chance Of Blood Clots After Vaccines

In addition to another research conducted by Israel this week, data published in the British Medical Journal on Thursday shows that the covid vaccine is associated with some unusual side effects.

 But it does not surpass the greater risk of Covid-19. The study includes research on the electronic health data of over 29 million people in the UK. It goes beyond previous evaluations to find a connection between a very unusual blood clotting disease concerning the AstraZeneca vaccine and Pfizer vaccine.

Research Confirms The Chance Of Blood Clots After Vaccines

Previous studies have found an increased risk of blood clots after vaccination with AstraZeneca, but not after Pfizer injection.

 In an interview, the authors stated that the number of cases detected, including blood clots that block the veins that drain blood from the brain, is small enough to justify further research. The risk of those clots exceeds a person’s chance of having them after acquiring the virus.

“There are some risks, but it is clear that the risks of these events are rare,” said Aziz, study co-author and research professor in primary care at the University of Edinburgh, Scotland.

 “And the most important point is that the health risks linked with Covid are greater.” The researchers analyzed health data of individuals who received the first dose of the covid vaccine during the initial months of the UK vaccination campaign. Of these 29 million, over 1.8 million tested positive for coronavirus before and after immunization.

 In this study, the chances of blood clots immediately after vaccination were compared with the risk at other times and weeks after a person developed the coronavirus. After receiving the first AstraZeneca vaccine, people experienced a slightly increased risk of blood clots. Also, reduced platelet count which may result in rare bleeding.

 And both vaccines have been linked to a small number of very rare blood clots that prevent blood from reaching the brain. Still, these risks are much lower than the risks associated with the development of Covid 19.

For example, according to the authors, for every 10 million people who receive the AstraZeneca vaccine for the first time, about 66 more develop blood clots intravenously.

 However, among similar people infected with the virus, around 12,000 people developed these blood clots. According to the CDC, 300,000 to 600,000 individuals in the United States develop blood clots in certain parts of the body, such as the lungs and leg veins, each year.

Nearly one million people are vaccinated today, so some blood clots occur in people who accidentally get them, regardless of the vaccine. 

Several countries have restricted the use of the AstraZeneca vaccine after Europeans vaccinated with the AstraZeneca vaccine have been severely ill or died of an unusual disease characterized by both coagulation and abnormal bleeding. 


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