Figure 1.

Description of the outcomes of the cohort of people living with Human T-cell Leukemia Virus-1 (HTLV-1) in São Paulo city, Brazil. “HAM/TSP” and “No HAM/TSP” indicate HTLV-1-infected individuals diagnosed with HTLV-1-associated myelopathy/tropical spastic paraperesis (HAM/TSP) at recruitment, or classified as “asymptomatic” during complete neurological examination at recruitment, two of which developed ATLL during follow-up (one fatal case). §Missing cases are those who did not visit the clinic in the last two years and those without complete clinical records.