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On the 22nd, a mock vaccination training is taking place at the Halla Gymnasium where the Corona 19 Vaccination Center was set up in Jeju City. The center will be operational from the first of the following month. [연합뉴스]
On the 22nd, the Immunization Committee of the Korea Centers for Disease Control and Prevention announced on the 22nd that the controversial AstraZeneca (AZ) vaccine “has no association between the vaccine and the formation of blood clots.” He recommended that AZ vaccination be continued. Based on the information sessions of the vaccination committee, the questions and answers were summarized, including the reason for this ruling.
Pfizer and AZ, similar in rate of blood clot generation
Venous sinus thrombus is a very rare case
If the headache persists for more than 3 days, a test is required.
- Blood clots have been reported following AZ vaccination, causing great anxiety.
- “Currently, no association has been found that the AZ vaccine increases the risk of clot formation. Thrombus occurrence observed after vaccination was reported to be less than the normal incidence level. In addition to vaccines, blood clots are a common disease that can be caused by a number of causes, including COVID-19 infection. So we decided that the benefits of vaccination outweigh the risk of side effects. “
![Graphic image of the status of the adverse reaction after vaccination with COVID-19. [자료제공=질병관리청 (사망 사례 등은 접종과 인과관계 확인 필요)]](https://pds.joins.com/news/component/htmlphoto_mmdata/202103/23/3d25f284-ba7d-4f7e-8672-6c51b29e158a.jpg)
Graphic image of the status of the adverse reaction after vaccination with COVID-19. [자료제공=질병관리청 (사망 사례 등은 접종과 인과관계 확인 필요)]
- There was a rare case of blood clots after AZ vaccination in Europe.
- “After AZ vaccination, a ‘disseminated intravascular coagulation disorder’ and ‘cerebral sinus thrombosis’ have been reported, accompanied by reduced blood clots and platelets. Of the 20 million cases, there were 7 cases (0.000035%) and 18 cases (0.00009%), respectively. Again, the causal relationship with the vaccine is unclear. A closer investigation is needed. “
- What to do when you have headache symptoms after vaccination.
- “The cerebral sinus thrombus complains of more than 90% of severe headaches. It is a pain that you will never experience in your life. It is known to occur within 14 days of vaccination. If taking an over-the-counter pain reliever for 3 days doesn’t work, you should be suspicious. Increased brain pressure can cause blurred vision or vomiting. In this case, you should visit a medical institution that can perform CT or MRI tests and have them examined. “
- Did the Pfizer vaccine also report blood clots?
- “Reports of normal blood clots after vaccination with the AZ and Pfizer vaccines are almost similar (according to the UK Drug Administration, at the end of last month, 15 out of 10.7 million Pfizer vaccines had blood clots. In the case of AZ, 13 out of 9.7 million). In Korea, the difference in the number of vaccinations is the one that presents the most adverse reactions to the AZ vaccine. At 0:00 on the 22nd, the number of AZ vaccinations was 61,100 and Pfizer was 58,100 ”.
Adverse reactions within 7 days of vaccination_AstraZeneca. Graphic = Younghee Kim [email protected]
- On the 23rd the vaccinations begin at the age of 65. Can I get vaccinated even if I have chronic hives?
- “Chronic urticaria is not a contraindication to the vaccine. After vaccination, stay in a medical institution for 30 minutes to observe adverse reactions and watch closely if the symptoms of anaphylaxis or urticaria worsen for 3 days. “
- In the case of people with underlying diseases such as high blood pressure or diabetes.
- “So far, there are no reports that symptoms such as fever and muscle aches caused by vaccines worsen the underlying disease.”
Minwook Reporter Kim [email protected]
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