| HTLF | human T-cell leukemia virus enhancer factor |
|---|---|
| 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 |
| HTLVR | human T-cell leukemia virus receptor |
| RS virus | Respiratory Synthitial virus |