GlaxoSmithKline has said research shows its Covid-19 antibody treatment is effective against the full combination of mutations in the new Omicron variant.

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Tests done in-vitro against a pseudo-virus that recreates a synthesised version of Omicron showed that sotrovimab, Glaxo’s antibody treatment, stands up to all mutations in the spike protein of the omicron variant and not just the key mutations, the drugmaker said in a statement on Tuesday. The tests included all 37 mutations identified to-date in the spike protein.