MILLIONS of Britons will be offered the Pfizer vaccine as a booster shot next month. But as the delta variant continues to dominate, researchers believe the Moderna jab may be more efficient at protecting against the variant.
ModernaCovidvaccine
MILLIONS of Britons will be offered the Pfizer vaccine as a booster shot next month. But as the delta variant continues to dominate, researchers believe the Moderna jab may be more efficient at protecting against the variant.
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