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EU agency confirms AstraZeneca COVID-19 vaccine blood clot link



A senior official of the European Medicines Agency said that there is a causal relationship between AstraZeneca’s coronavirus vaccine and rare blood clots, but the link between the two is still unclear. The benefits of taking the vaccine still outweigh the gains. The risk of COVID-19.

Marco Cavaleri, head of health threats and vaccine strategy at the Amsterdam-based institution, told Rome’s Il Messaggero on Tuesday that the European Union’s drug regulator is preparing to address the topic this week. Make a clearer statement.

Based on the evidence so far, Cavalieri said that there is a clear link between the AstraZeneca vaccine and dozens of rare blood clots reported in thousands of vaccine jabs around the world.

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To quote Cavalieri: “It is increasingly difficult to be sure that there is no causal relationship between the AstraZeneca vaccine and the very few blood clots associated with platelet aggregation.”

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When asked about Cavalieri’s comments, the EMA Press Office stated that its assessment “has not yet reached a conclusion and the review is in progress.” The company stated that it plans to hold a press conference after the review is completed, possibly on Wednesday or Wednesday. Thursday.

AstraZeneca did not immediately respond to a request for comment.

Last month, more than a dozen countries, including Germany, suspended the use of AstraZeneca for blood clots. After the EMA stated that the benefits of the vaccine outweighed the risk of not giving people the COVID-19 vaccine, most EU countries restarted operations on March 19 (some of which are age-restricted). At the time, EMA recommended updating the vaccine leaflet to inform people about rare blood clots.

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Any further doubts about the AstraZeneca vaccine will fail the injection, which is critical to the European immunization campaign and the key to the global strategy to ship the vaccine to poorer countries. Compared with Pfizer and Moderna’s rival vaccines, AstraZeneca vaccines are cheaper and easier to use, and have been approved for use by more than 50 countries and groups including the European Union and the World Health Organization in 27 countries. US authorities are still evaluating the vaccine.

Cavalieri said that although EMA is preparing to announce the contact, further research is still needed to understand why and how the phenomenon occurred.

He was quoted as saying: “Of course, the information about the product will be updated to confirm that these adverse events are related to the vaccine. It will be announced in a very clear way.”

He said that rare blood clots, including some in the brain, coupled with low platelet levels, may put people at risk of severe bleeding. “It seems that this is a key event for further research.” Cavalieri He quickly promised to provide more details and added: “In the next few hours, we will say that the link already exists. We still haven’t figured out how this happened.”

Cavalieri said that the biological mechanism of how this vaccine causes rare clots is still unknown. If it is linked to injection methods, other vaccines with similar technologies need to be evaluated.

Ask Cavalieri how he came to such a causal conclusion given the relatively few cases of adverse events.

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To quote him: “Among the young people who have been vaccinated, many young people have cerebral thrombosis and low platelet content, which is higher than we expected. This is what we have to say.”

But he emphasized that the risk-benefit analysis of the AstraZeneca prod is still positive, even for young women who seem to be more susceptible to blood clots.

He was quoted as saying: “Let us not forget that young women will eventually receive intensive care for COVID. Therefore, we need to do very detailed work to understand whether risk-benefit analysis is applicable to all age groups.”

He said that given the different virus outbreaks in the 27 EU countries/regions, EMA is in a dilemma.

He said: “Of course, many people hope that EMA will solve the problem for everyone, but it is not that easy.” “In Italy, there are still about 500 deaths every day, and in Norway, almost no deaths. These factors prove the adoption of alternatives. The rationality of a method.”

He ruled out treatments to prevent rare blood clots, which he said there are still many unknowns.

Even after the restart on March 19, the Dutch and German governments have suspended stab operations against people under 60, and some Europeans have been avoiding shooting.

Valeriu Gheorghita, chairman of the Romanian National Vaccination Committee, said on Tuesday that since March, 207,000 people in Romania have cancelled their AstraZeneca vaccine appointments, and another 92,000 people have not shown up at all. .

Gheorghita told reporters: “This is a very high percentage, and the scheduled one-third did not show up.”

British Prime Minister Boris Johnson refused to be directly attracted by the latest warnings about the vaccine developed by Oxford University, but he urged people to consider the recommendations of the UK’s Independent Medicines and Healthcare Administration.

During a visit to the AstraZeneca factory in Macclesfield in northwest England on Tuesday, he said: “Their advice to people is to continue to go out and carry out a surprise attack, and then a second assault.”

The MHRA said last week that seven people died of blood clots in the UK after AstraZeneca’s stabbing. It said that it is unclear whether the shots caused blood clots, and whether it is conducting a “critical review” of the report. The agency said that as of March 24, 30 cases of blood clots had been identified from the 18.1 million doses of AstraZeneca.

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Johnson said that the rapid introduction of the British vaccine helped to reverse the situation this year, giving the United Kingdom an opportunity to lift the lock-in restrictions, just as many other countries in Europe withdrew them at the same time as the virus surged.


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