The U.S. Centers for Disease Control and Prevention stated that people over the age of 65 may have a higher risk of ischemic stroke within 21 days of receiving the BNT next-generation bivalent vaccine, and further investigation is required; the picture shows the situation.

(file photo)

[Reporter Wu Liangyi/Report from Taipei] The US Centers for Disease Control and Prevention (CDC) announced on its official website yesterday (13th) that it found a possible safety signal for the Pfizer/BNT next-generation vaccine. There may be a higher rate of ischemic stroke within 21 days of the vaccine, which requires further investigation.

As for the Moderna next-generation vaccine, "no" similar phenomenon was detected.

my country has only purchased the Modena next-generation bivalent vaccine, but not the BNT next-generation vaccine.

Although the founder of Hon Hai, Terry Gou, requested to purchase additional BNT next-generation vaccines at the end of last year, and even attacked officials of the Ministry of Health and Welfare as "animals eat money", the Central Epidemic Command Center stated that my country currently has enough Modena vaccines, and there are still 15 million doses this year contract, and there is no significant difference in the effect of the two, so the BNT next-generation vaccine was not purchased.

Please read on...

The U.S. Centers for Disease Control and Prevention pointed out that their vaccine safety monitoring system "Vaccine Safety Database" (VSD) monitored data after vaccination and found that people over the age of 65 who received a booster shot of the BNT next-generation vaccine were significantly more likely to be vaccinated 22 days to 42 days after vaccination. Compared with bivalent vaccines, ischemic stroke was more likely to occur within 21 days of vaccination.

There is no similar phenomenon in the Moderna bivalent vaccine.

However, the CDC also emphasized that there may be other confounding factors in the signal in the "Vaccine Safety Database" (VSD), which deserves further investigation, and that there are no similar signals in other monitoring systems, including the Centers for Medicare and Medicaid Services database, veterans' Similar phenomena were not detected in the database of the Department of Military Affairs, the Vaccine Adverse Event Reporting System (VAERS) of the CDC and the Food and Drug Administration, the global safety database of Pfizer/BNT, and statistics from other countries.

The U.S. Centers for Disease Control and Prevention also added that although all the current data show that the "Vaccine Safety Database" (VSD) does not necessarily represent a real clinical risk, it still needs to announce these signals to the public. CDC and FDA will continue to evaluate information from these and other sources. Additional data from the Vaccine Safety System does not recommend changing vaccination practices, and it is still recommended that everyone 6 months and older get vaccinated in a timely manner, including the current next-generation bivalent vaccines.

The CDC's instructions on this monitoring and evaluation can be found on its official website.

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keywords

  • Senior citizens

  • Vaccination

  • ischemic stroke

  • BNT Next Generation Vaccine

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