How to viz flu vaccine strain as the nextstrain seasonal flu page

I try to make some useful viz with my own flu new sequences and add in seasonal flu vaccine strains for H3N2. How can I make it look like the seasonal flu nextstrain page auspice (like the X on the tree to indicate vaccine strains)? Thanks.

Hello @myviolinisacat!

We get the X’s on the tree by writing a vaccine.json file and adding it to the files listed after --node-data in the “augur export” command:

You can see an example for H3N2 at seasonal-flu/config/h3n2/vaccine.json at master · nextstrain/seasonal-flu · GitHub

If you encounter any difficulties, please inform us. Unfortunately, comprehensive documentation on this matter seems to be lacking at the moment.

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