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PREDAC-H3: Bioinformatics platform for antigenic surveillance of human influenza H3N2 virus

This is to determination the antigenic relationship (either antigenic variant or antigenic similar) between viruses based on the HA1 protein sequences.

Step 1: Please input the HA1 protein sequences of human influenza H3N2 virus in fasta format(example)

Past your sequences or load from local file

(File extension should be ".fas")

Or use sequence from the database of Influenza Virus Resource (help)

start date

year month

end date

year month

Step 2: Please select the reference strains

No Yes

Please select the reference sequences:

Vaccines

User’s own sequence(example)
(File extension should be ".fas")
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