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definition of HIV subtype B?

Feb 12, 2006

what is the definition of HIV-1 subtype B, and how differs drom subtype A ancd C?

Response from Dr. Holodniy

Subtypes of HIV are linked or separated by how close or different the genetic sequence is in certain genes of HIV-1 like the envelop or polymerase gene. So people with subtype B have sequences in these genes that are closely related and are different than subtype C and A by some percentage of DNA difference.

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