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South Africa freezes AstraZeneca vaccine rollout after variant concerns
Catch up with NBC News Clone on today's hot topic: Mmvo100715589621 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
A trial of 2,000 people found the AstraZeneca Covid-19 vaccine to be less effective against the variant detected in South Africa, offering minimal protection against mild disease.
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