STUDY: Two-Dose Vax Less Effective Against Omicron

Reuters reports:

Two-dose COVID-19 vaccine regimens do not induce enough neutralising antibodies against the Omicron coronavirus variant, British scientists found, indicating that increased infections in those previously infected or vaccinated may be likely.

Researchers from the University of Oxford published results on Monday from a study yet to be peer-reviewed, where they analysed blood samples from participants who were given doses from AstraZeneca-Oxford or Pfizer-BioNTech in a large study looking into mixing of vaccines.

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British scientists found that two-dose COVID-19 vaccine regimens do not induce enough neutralising antibodies against the Omicron coronavirus variant, indicating that increased infections in those previously infected or vaccinated may be likely. https://t.co/FNHqyJNESz

— Reuters Health (@Reuters_Health) December 13, 2021