Will new ‘bivalent booster’ head off a winter Covid wave?

The jab combines the original form of the Covid vaccine with a version tailored for Omicron

Boy receiving Covid vaccine
UK rollout of the two-strain vaccine booster is due to begin within weeks
(Image credit: Paul Ellis/AFP via Getty Images)

A new Covid vaccine designed to target both the original virus and the newer Omicron variant is set to be rolled out in the UK after being approved by the country’s medicines regulator in a world first.

Made by Moderna, the bivalent vaccine is known as “Spikevax bivalent Original/Omicron” and combines the original form of the Covid vaccine with a version tailored for Omicron variant BA.1, “the strain that fuelled a wave of Covid in the UK last winter”, said The Guardian’s science correspondent Nicola Davis.

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