Table 1: Demographics characteristics of participants with HAM/TSP and HTLV asymptomatic.
| Cases | 1 | 2 | 3 | 4 | 5 | 6 |
| Clinic | HAM/TSP | HAM/TSP | HAM/TSP | HAM/TSP | HAM/TSP | Asymptomatic |
| Age (Years) | 54 | 75 | 26 | 55 | 58 | 60 |
| Gender | F | F | F | F | M | F |
| Time of diagnosis (years) | 5 | 1 | 5 | 3 | 24 | 17 |
| Symptoms duration (years) | 17 | 10 | 16 | 14 | 27 | Not present |
| transmission | Unknown | Unknown | Vertically | Blood transfusion | Unknown | Blood transfusion |