MHRA authorizes Moderna's XFG-targeted Spikevax booster

28 August 2026

US biotech Moderna (Nasdaq: MRNA) said the UK's Medicines and Healthcare products Regulatory Agency (MHRA) has authorized its updated COVID-19 mRNA vaccine, Spikevax, targeting the SARS-CoV-2 XFG variant, for adults and children aged six months and above.

Doses of the updated vaccine will be manufactured at the Moderna Innovation and Technology Centre (MITC) in Harwell, Oxfordshire, and supplied to the National Health Service (NHS) for the 2026/27 COVID-19 vaccination program.

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