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Rise of Variants Sparks Push for All-in-One Covid Vaccines

  • Version first seen in South Africa can partially evade shots
  • In race against the virus, ‘we’ve got to get ahead of it’
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What We Know About Kids and Covid
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Just weeks into the rollout of vaccines to combat Covid-19, researchers are shifting their focus to a new class of potential shots to take on the threat posed by fast-spreading mutations.