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Glossary

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[HIV subtype or clade] A genetically distinct subtype of HIV within a defined HIV group. Group MOne of three groups into which different strains of HIV-1 have been classified: group M ("major"), group O ("outlier") and group N ("new"). The vast majority of HIV strains belong to group M. has nine known subtypes[HIV subtype or clade] A genetically distinct subtype of HIV within a defined HIV group. Group M has nine known subtypes -- A, B, C, D, F, G, H, J and K. -- A, B, C, D, F, G, H, J and K.

See also: HIV group, HIV-1, strain