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Six months of COVID vaccines: what 1.7 billion doses have taught scientists

At a pivotal moment in the pandemic, Nature explores key questions about the vaccines that countries are racing to deliver while viral variants spread around the globe.
  1. Heidi Ledford
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Two health workers carry a large crate containing COIVD-19 vaccines up a hill in Goma, Democratic Republic of Congo

A campaign to vaccinate people against COVID-19 in Goma, Democratic Republic of the Congo, in May. Credit: Guerchom Ndebo/Getty

Over the past six months, hundreds of millions of people around the world have rushed to follow in the footsteps of a 90-year-old British woman named Margaret Keenan.

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Nature 594, 164-167 (2021)

doi: https://doi.org/10.1038/d41586-021-01505-x

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