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Omicron: How can scientists update coronavirus vaccines for the new variant?

  • Deborah Fuller*
  • The Conversation

Image source, Getty Images

If the omicron variant of the coronavirus is different enough from the parent strain, existing vaccines may not be as effective as they have been so far.

If so, companies may need to update their vaccines to better combat omicron.

Deborah Fuller is a microbiologist who has been studying mRNA and DNA vaccines for more than two decades.

Here he explains why vaccines may need to be updated and what that process would look like.

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