Scientists in the UK came to the conclusion that drugs from six manufacturers are suitable for revaccination of vaccinated AstraZeneca or Pfizer. According to the results of the study, it turned out that all of them allow you to increase the level of antibodies, reports BLOOMBERG.
A total of seven vaccines were studied in the study. According to the authors of the study, the only drug that did not lead to an increase in antibodies in those who were vaccinated with Pfizer was Valneva, developed by the French-Austrian company of the same name. The rest of the vaccines that were studied in the experiment were Pfizer, Moderna, Johnson & Johnson, AstraZeneca, the German Curevac, and the American Novavax. The last two have not yet been approved in the UK and EU authorities.
The author of the study, Saul Faust, noted that the vaccines participating in the study showed, among other things, a good immune response of the body.
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The study involved 2800 volunteers over the age of 30 years. They were revaccinated 10–12 weeks after the last dose.