Two-dose COVID-19 vaccine regimens don’t induce sufficient neutralizing antibodies towards the Omicron coronavirus variant, British scientists discovered, indicating that elevated infections in these beforehand contaminated or vaccinated could also be possible.
Researchers from the College of Oxford revealed outcomes on Monday from a examine but to be peer-reviewed, the place they analyzed blood samples from members who got doses from AstraZeneca-Oxford or Pfizer-BioNTech in a big examine wanting into mixing of vaccines.
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The outcomes come a day after British Prime Minister Boris Johnson warned that two pictures won’t be sufficient to include Omicron, following findings from the UK well being company final week that boosters considerably restore safety towards the variant.
The Oxford examine mentioned that there was no proof but that the decrease stage of infection-fighting antibodies towards Omicron might result in larger threat of extreme illness, hospitalization or demise in those that have gotten two doses of authorized vaccines.
“These knowledge are essential however are just one a part of the image. They solely have a look at neutralizing antibodies after the second dose, however don’t inform us about mobile immunity, and this can even be examined,” mentioned Matthew Snape, Oxford professor and co-author of the paper.
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