| HLV | hamster leukemia virus; herpes-like virus; hypoplastic left ventricle |
|---|---|
| HTLF | human T-cell leukemia virus enhancer factor |
| HTLV | human T-cell leukemia/lymphoma virus; human T-lymphotropic virus |
| HTLV-MA | cell membrane antigen associated with the human T-cell leukemia virus |
| HTLV-I-MA | human T-cell leukemia virus-I-associated membrane antigen |