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.
The results come a day after British Prime Minister Boris Johnson warned that two shots willto contain Omicron, following findings from the UK health agency last week that boosters significantly restore protection against the variant.
The Oxford study said that there was no evidence yet that the lower level of infection-fighting antibodies against Omicron could lead to higher risk of severe disease, hospitalisation or death in those who have got two doses of approved vaccines. "These data are important but are only one part of the picture. They only look at neutralising antibodies after the second dose, but do not tell us about cellular immunity, and this will also be tested," said Matthew Snape, Oxford professor and co-author of the paper.Reporting by Pushkala Aripaka in Bengaluru; Editing by Sherry Jacob-Phillips and Shailesh KuberSubscribe for our daily curated newsletter to receive the latest exclusive Reuters coverage delivered to your inbox.
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