Primate T-lymphotropic virus 1 |
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| PTLV-1; Primate T lymphotropic virus 1; T Lymphotropic Virus 1, Primate | |
| A species in the family DELTARETROVIRUS comprising strains of different host species but arising from the same geographic origin. They include HUMAN T-LYMPHOTROPIC VIRUS 1 and SIMIAN T-LYMPHOTROPIC VIRUS 1. | |