The European Union confirmed yesterday (7) that blood clots are a rare side effect of the AZ vaccine and announced that people are advised to seek immediate medical attention if they experience six major symptoms after receiving the AZ vaccine, including shortness of breath, chest pain, swelling in the legs, and persistent pain in the abdomen.
The European Medicines Agency (EMA) issued a statement yesterday confirming that rare cases of blood clots are related to the AZ vaccine and suggesting that unusual blood clots accompanied by low platelet symptoms be classified as a very rare side effect of the AZ vaccine.
The statement notes that rare thrombotic symptoms occur mainly in the veins of the brain and abdomen, called cerebral venous sinus thrombosis (CVST) and visceral vein thrombosis (SVT), respectively, and that thrombosis can also occur in the arteries, usually accompanied by It can also occur in the arteries, usually with low platelet levels and sometimes even bleeding. According to the Business Insider website, SVT can lead to stroke and even death.
According to the European Medicines Agency, experts have reviewed a total of 62 cases of cerebral sinus thrombosis and 24 cases of visceral vein thrombosis registered in the EU Medicines Safety Database before March 22, of which 18 people died. To date, most of the cases occurred in women under 60 years of age.
According to the EU Medicines Agency, people are advised to seek immediate medical attention and early treatment if they experience any of the following six symptoms after receiving AZ vaccine. These symptoms include shortness of breath, chest pain, leg swelling, persistent abdominal pain, neurological symptoms such as persistent headache or blurred vision, and small blood spots on the skin outside the vaccination site.
The EU Medicines Agency has not yet determined the cause of the clots, but has suggested that the rare clotting symptoms may be caused by an immune response similar to that seen in some patients treated with heparin, which can induce thrombocytopenia.
Despite the confirmation that thrombocytopenia is a rare side effect of the AZ vaccine, the European Medicines Agency has emphasized that the benefits of administering the vaccine outweigh the risk of side effects.
The UK, Spain, Italy and Belgium have announced age restrictions on the AZ vaccine, and the Philippines announced today that people under the age of 60 will not receive the AZ vaccine.
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