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Are new Omicron subvariants a threat? Here’s how scientists are keeping watch

In South Africa, a network of researchers is studying whether lineages BA.4 and BA.5 escape immunity from COVID-19 vaccines and previous infections.
  1. Amy Maxmen
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Western Cape, South Africa

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Nature 604, 605-606 (2022)

doi: https://doi.org/10.1038/d41586-022-01069-4

This story was supported by the Pulitzer Center.

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