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Merrill research: "3 vaccines" are not as effective for Omicron as expected

2021-12-18T06:30:11.799Z


A new study by the University of Washington in the United States and the Swiss pharmaceutical company Humabs Biomed SA. Biotechnology has discovered six novel coronavirus pneumonia (COVID-19) vaccines, and the preliminary evidence is clear


A new study by the University of Washington in the United States and the Swiss pharmaceutical company Humabs Biomed SA. Biotechnology has found that six new coronavirus pneumonia (COVID-19) vaccines have been found. Preliminary evidence shows that two doses of the Johnson & Johnson vaccine in the United States and the Russian "Satellite- "V" (Sputnik V), China National Medicines Vaccine, has almost no protective effect on the Omicron mutant strain. In addition, two doses of Pfizer vaccine for people who have been infected can maximize the effect of the antibody.


"Bloomberg" reported on December 17 that the study analyzed the effects of 6 vaccines on Omicron variants. Among 12 people who had been vaccinated with Johnson & Johnson, only 1 produced neutralizing antibodies that are effective against Omicron. Three of the 13 people produced effective neutralizing antibodies, and none of the 11 people vaccinated with the Sputnik-V vaccine produced effective antibodies.

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Omicron|Two shots of vaccine are not enough to deal with the mutant virus?

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The study found that compared with people who have never been infected, the neutralizing antibody of the Omicron mutant strain is 44 times different for a perfectly healthy person after receiving 2 doses of Pfizer vaccine. The neutralizing antibody of the Omicron variant is 5 times different.

However, the report also mentioned that this study has not been reviewed by peers, and the research content only focuses on the changes in neutralizing antibodies, but neutralizing antibodies are only part of the immune response. At present, another protective T cell is still under study. .

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[This article is reprinted with permission from "ETtoday".

Source: hk1

All news articles on 2021-12-18

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