H5N1 and Nextstrain directions


 

Trevor Bedford

Fred Hutchinson Cancer Center / Howard Hughes Medical Institute
1 Oct 2024
Monthly BAA call
CDC

Continued H5N1 epizootic

Cattle appear to be source population with frequent spillover into birds and non-human mammals

Data system and GenBank vs SRA release dates

About a 2 month lag between sample collection and GenBank release

Data system and GenBank vs SRA release dates

About a 2 month lag between sample collection and GenBank release

Data system and GenBank vs SRA release dates

About a 2 month lag between sample collection and GenBank release

Ongoing Nextstrain work

Continuing to build out core pathogens, each with automated data ingest and analysis, including

Ongoing Nextstrain work

Updates to ncov analysis, including

  • New clades for XDV.1, KP.3.1.1 and XEC: PR 1149 and PR 1152
  • Automated clade coloring: PR 1132 / view
  • Improved sampling representativeness using --group-by-weights: PR 1151 / view

Acknowledgements

H5N1 genomic data: APHIS National Veterinary Services lab at the USDA for sharing cattle sequences, other data producers from all over the world for sharing contextual sequences, GISAID and NCBI for providing data systems

Nextstrain: Richard Neher, Ivan Aksamentov, John Anderson, Kim Andrews, Jennifer Chang, James Hadfield, Emma Hodcroft, John Huddleston, Jover Lee, Victor Lin, Cornelius Roemer, Thomas Sibley

Bedford Lab: John Huddleston, James Hadfield, Katie Kistler, Thomas Sibley, Jover Lee, Miguel Paredes, Marlin Figgins, Victor Lin, Jennifer Chang, Nashwa Ahmed, Cécile Tran Kiem, Kim Andrews, Cristian Ovaduic, Philippa Steinberg, Jacob Dodds, John SJ Anderson Amin Bemanian