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Prevention effect … Pfizer is the highest at 95%
AstraZeneca vaccine is cheaper
Corona vaccination in Korea is expected to start in February next year as soon as possible. The Blue House revealed the specific timing of the vaccination on the 27th. President Roh Young-min, the presidential secretary general, said at the high-ranking political-party council that was held in the National Assembly that day, “in February next year will begin vaccinations for medical personnel and the elderly.
Consequently, interest in having vaccines enter Korea is also increasing. To date, the AstraZeneca, Pfizer and Janssen vaccines have been introduced in Korea. First, 10 million from AstraZeneca, 6 million from Janssen and 10 million from Pfizer will be supplied.
First, the corona vaccine, which AstraZeneca is jointly developing with the University of Oxford in the UK, is characterized by a lower cost than other corona vaccines, although its preventive effect is less.
The AstraZeneca vaccine averages 70.4%, which is lower than Pfizer’s 95.0%. The price for a single dose is about $ 4, which is cheaper than Pfizer’s $ 19.5 and Janssen’s $ 10.
Although the preventive effect was noted to be low, Pascal Sorio AstraZeneca, CEO of AstraZeneca, told the British Sunday Times, “We found a ‘winning formula’ that has the same effect as other vaccines with two intact injections.” Revealed.
He added: “We are confident in the 100% prevention rate for severe coronavirus,” adding: “There will be an announcement soon at a specific time.
Meanwhile, the AstraZeneca vaccine has been out of competition with lower preventive effects than the Pfizer and Modena vaccines. However, when half the dose was administered in one dose, the effect increased to 90%.
The experts noted that this result must be accurately verified as it was not achieved with normal vaccination.
AstraZeneca and Janssen produce vaccines by ‘genetic recombination’. The genetically modified vaccine is the same as the vaccine manufacturing process that we have been given so far by loading the corona genetic material into the body with a non-harmful virus.
On the other hand, the Pfizer vaccine is one of the so-called ‘nucleic acid vaccine’ (or mRNA vaccine) that directly places mRNA that contains the model of the corona virus in our body. New nuclear vaccines have not yet been commercialized, which is seen as a disadvantage.
The vaccine jointly developed by Pfizer and Bioentech of Germany has been shown to have a high prevention effect of around 95%, showing the highest prevention rate so far. It is inoculated twice every 4 weeks and is an “mRNA vaccine”.
Pfizer vaccine has the disadvantage of having to be stored at cryogenic temperatures (below -70 ℃). Under general refrigeration conditions, it only keeps for about 5 days.
The Janssen vaccine, a pharmaceutical subsidiary of Johnson & Johnson, has not completed phase 3 clinical trials. Phase 3 results are expected to come out in January. This vaccine can be stored at 2-8 ℃ for up to 6 months. In particular, it has the convenience that it only needs to be inoculated once, unlike other vaccines that require two doses.
Meanwhile, the Ministry of Food and Drug Safety is pushing ahead with a plan to shorten the national shipment approval processing period for corona vaccines to 20 days so that vaccination can be carried out quickly. In general, it takes 2 to 3 months for the vaccine to be processed for approval for domestic shipment.
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