Major issues of vaccine you should know. The new crown epidemic has swept the world for nearly a year. Recently, the United Kingdom, the United States and other places have successively approved vaccines against the new crown virus, bringing some light to the people’s return to normal life.
Major issues of vaccine you should know. Which vaccines will various countries and regions purchase? What is the difference between them? In terms of access to vaccines, what impact will the disparity between the rich and the poor have?
Which vaccines will be used in each region? What is the difference?
Major issues of vaccine you should know. In early December, the United Kingdom became the first country in the world to approve the large-scale use of Pfizer/BioNTech’s new crown vaccine. The British regulatory agency MHRA (Medicines and Healthcare Products Regulatory Agency) stated that the vaccine can provide up to 95% protection and can be safely marketed.
Several major issues you should know. On December 11, the U.S. Food and Drug Administration (FDA) authorized Pfizer and BioNTech’s new crown vaccine for emergency use in the United States.
The Pfizer vaccine is a ribonucleic acid vaccine, a brand new vaccine that has never been injected into humans before. The vaccine must be stored in an environment of minus 70°C. Once the vaccine is delivered, it can be stored in the freezer for 5 days.
This month, the United Arab Emirates and Bahrain have successively approved the new crown inactivated vaccine of China National Pharmaceutical Group.
Both governments stated that the vaccine’s effectiveness reached 86%.
The Hong Kong government also stated that the government has reached a pre-purchase agreement with two vaccine manufacturers. Among them, Kexing Holdings Biotechnology Co., Ltd. will supply 7.5 million doses of inactivated COVID-19 vaccine; Fosun Pharma, BioNTech of Germany and Pfizer of the United States (Pfizer) 7.5 million doses of messenger ribonucleic acid (mRNA) vaccines will also be provided.
Kexing said that in the final phase of trials of the coronavirus vaccine produced by the company in Indonesia, 97% of the vaccine vaccinators produced antibodies, but its effectiveness has not been determined.
In addition, the Hong Kong government also stated that it will soon reach an agreement with AstraZeneca to purchase 7.5 million doses of a non-replicable viral vector vaccine jointly developed by the pharmaceutical company and the University of Oxford in the United Kingdom. It will be available to Hong Kong as soon as the second half of next year. .
The protection rate of the new coronavirus disease vaccine developed by the University of Oxford in the United Kingdom reached 70%.
Xu Shuchang said that the vaccine manufactured by Kexing is an inactivated vaccine. The protection rate of the third phase test is currently unknown; and BioNTech in Germany uses nucleic acid to manufacture vaccines is a new method.
Compared with Pfizer vaccines stored in an environment of minus 70 degrees, the vaccines developed by Oxford are cheaper and more convenient to store
Therefore, they can be stored in ordinary refrigerators and are easier to transport to all corners of the world.
Who gives priority to vaccination? How to vaccinate?
In the UK, experts have developed a temporary priority vaccination list with the goal of protecting high-risk groups. After that, they are elderly people living in nursing homes and related nursing staff. After that, it followed by elderly people over 80 years old and other health and social care workers. Everyone needs two injections, 21 days apart, and the second dose is a booster.
After that, the Hong Kong government stated that the goal is to vaccinate most citizens for free within next year.
The Oxford vaccine also requires two injections, one month apart. The Modena vaccine also requires two injections, 28 days apart.
What are the adverse reactions?
In a statement, June Raine, the head of the British Medical and Health Regulatory Authority. After that, they say that anyone with a history of vaccines, drugs or food allergies should not receive Pfizer vaccines.
After that, “Most people do not experience allergic reactions. Therefore, the benefits of protecting people from the new coronavirus infection outweigh the risks… Therefore, you can completely believe that this vaccine complies with the strict safety, quality and effectiveness of the British Medical and Health Regulatory Authority. Standard.” The statement said.
The two vaccinators who had allergic reactions were employees of the British National Health Service. Both of them had a history of severe allergies. They had allergic reactions after vaccination, but they are in good condition.
Rich countries buy most of the vaccine?
According to the organization, nearly 70 low-income countries can only vaccinate one-tenth of the population.
In order to achieve fair vaccination of the new crown vaccine for the global people, the Global Vaccine and Immunization Alliance, the Epidemic Prevention Innovation Alliance and the World Health Organization have taken the lead in establishing the new crown vaccine guarantee mechanism (Covax). The mechanism managed to obtain 700 million doses of vaccine, which will be distributed in 92 countries that have signed agreements.