The Ministry of Health believes that the Pfizer vaccine with extended shelf life is universally applied, without changing the quality, safety and effectiveness; require the local injection for people 12 years of age and older.
In the official dispatch sent to localities on December 17th about increasing the expiry date of Pfizer vaccine, the Ministry of Health updated the expiry date of batches of vaccines with the expiry date indicated on the label for 6 months. Specifically, the vaccine has an expiry date printed on the label of 10-11-12/2021, 1-2-3/2022, the new expiry date (increase by 3 months) is from January to June 2022, respectively.
On December 14, the National Institute of Hygiene and Epidemiology announced that 9 batches of Pfizer vaccine had been increased by 3 months, number 124001, 123002, 126001, 123001, 128002, 129001, PCA0006, PCA0017, PCA0021. In which, two batches 124001 and 123002 (more than 2.9 million doses) were announced to be extended on November 30 by the Institute. Thus, another 7 batches of vaccine have been extended the shelf life, but so far it is not clear how many doses in total. The Institute also did not announce the localities where this number of vaccines was allocated.
In the process of administering two batches of 124001 and 123002 injections to students from 12 to 17 years old, there have been some cases of severe reactions after injection. In which, a female student in Hanoi, a male student in Bac Giang, a 12-year-old student in Binh Phuoc, a student in Quang Tri, died after being vaccinated with Pfizer vaccine, assessed by the expert panel as being Grade 4 anaphylaxis (the body overreacts to the vaccine). The Health Departments of Hanoi and Quang Tri applied to return the request to the Ministry of Health, but then withdrew the request.
“The increase in the shelf life of Pfizer’s vaccines is universally applied, does not change the quality, safety and effectiveness of the vaccine, and is used for all subjects 12 years of age and older,” the Ministry of Health said. stated in the letter.
In order to continue to increase vaccine coverage, the Ministry of Health requires units to urgently vaccinate in 2021-2022. Localities communicate and advise vaccinators and young parents about the new expiry date of the vaccine. Any locality where the vaccine expires due to not being used and must be destroyed, the Director of the Department of Health must take full responsibility.
On June 12, the Ministry of Health conditionally approved the Pfizer vaccine, for use in people 12 years of age and older. On August 22, September 10 and September 20, the US Food and Drug Administration (FDA), the European Medicines Agency (EMA) and the World Health Organization (WHO) approved increase the shelf life of Pfizer vaccine from 6 months to 9 months from the date of manufacture at storage conditions from -90 degrees Celsius to -60 degrees Celsius.
On the basis of scientific data to evaluate the stability of vaccines updated by Pfizer (Vietnam) Co., Ltd. and the approval of the above three agencies, on October 22, the Drug Administration of Vietnam (Ministry of Health) agreed. It is recommended to increase the shelf life of this vaccine under storage conditions from -90°C to -60°C.
The Ministry of Health confirmed that the extension of the Pfizer vaccine follows international practices, not automatically. All vaccines returned to Vietnam are tested according to WHO requirements and quality assurance when used for people.
The Pfizer vaccine is being used in a vaccination campaign for children 12-17 years old and the elderly with underlying medical conditions. As of December 16, provinces have injected more than 6 million children 12-17 years old with a total of 7.7 million doses. The usual reaction rate is 0.3% of the children who are injected, including fever, pain at the injection site, muscle aches…