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First case of drug resistant Omicron BQ.1 sub-variant found in Thailand

First case of drug resistant Omicron BQ.1 sub-variant found in Thailand

13 Sept 15:23 Key points summarised by AI
  • Thailand's Centre for Medical Genomics confirmed the nation's first case of the Omicron BQ.1 sub-variant, a descendant of BA.5.
  • BQ.1 and its close relative BQ.1.1 are concerning as they demonstrate resistance to current antibody treatments like Evusheld and Bebtelovimab, and can evade antibodies from prior infection or vaccination.
  • These sub-variants spread rapidly, with BQ.1 being 15% faster than BA.5.2, raising concerns they could become the dominant strain by year-end or next year.
  • While BA.5-specific vaccines may offer some protection, new second-generation medication cocktails might be essential to effectively counter these highly resistant strains.
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