Human T-lymphotropic virus types I and II

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4 Scopus citations


Human T-lymphotropic virus types I (HTLV-I) and II (HTLV-II) are members of a family of four known retroviruses that are oncogenic as opposed to cytopathic. This family includes HTLV-I and -II, bovine leukemia virus, and simian T-cell leukemia virus. The two types of HTLV are closely related, and for more than a decade we have been aware of the presence of these viruses in humans. In the first part of this article I summarize recent epidemiologic and clinical findings related to the presence of HTLV-I and -II in the Americas. In the second part, I discuss how these viruses may regulate themselves and how in turn they might cause leukemia and neurologic disease in humans.

Original languageEnglish (US)
Pages (from-to)379-384
Number of pages6
JournalWestern Journal of Medicine
Issue number4
StatePublished - Jan 1 1993
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)


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