This tool was developed to provide a free HIV subtyping service to researchers and clinicians anywhere in the world. The tool uses phylogenetic methods to identify the subtype of any HIV sequence uploaded. The tool can also identify recombination, uses bootscanning methods.
Note for batch analysis: The REGA subtype tool accepts up to 100 sequences at a time.

A. Paste your sequence(s) in the input field in FASTA format or upload a FASTA file.

B. Search for a previous analysis