github nextstrain/nextclade_data 2026-08-07--07-54-41Z

4 hours ago

This release contains changes for datasets:

  • Influenza A H3N2 HA (nextstrain/flu/h3n2/ha/EPI1857216)
  • Influenza A H3N2 NA (nextstrain/flu/h3n2/na/EPI1857215)
  • Influenza A H3N2 HA (nextstrain/flu/h3n2/ha/CY163680)

Influenza A H3N2 HA (nextstrain/flu/h3n2/ha/EPI1857216)

  • add designation of J.2.4.2 as a sibling of K. This subclade shares several important substitutions with K, but does not have all signature mutations of K. It has a subsitution at position 79 (79V).

Influenza A H3N2 NA (nextstrain/flu/h3n2/na/EPI1857215)

  • update reference tree with more recent sequences.

Influenza A H3N2 HA (nextstrain/flu/h3n2/ha/CY163680)

  • add designation of J.2.4.2 as a sibling of K. This subclade shares several important substitutions with K, but does not have all signature mutations of K. It has a subsitution at position 79 (79V).

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