This winter has seen the emergence of a new sub-variant of SARS-CoV-2, the virus that causes COVID-19. This sub-variant – XBB1.5, or ‘Kraken’ – is the daughter of the globally-dominant Omicron.
Professor Ravi Gupta from the Cambridge Institute of Therapeutic Immunology and Infectious Disease tells us everything we need know about the sub-variant – and why it has surprised the scientific community.
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Author: covid 19 updates
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