スライド 1

Seroprevalence of HTLV-1 in each birth cohort from 1955 to 1989
Seroprevalence of HTLV-1 (%)
12
10
8
6
4
2
0
18-19 20-21 22-23 24-25 26-27 28-29 30-31 32-33 34-35 36-37 38-39 40-
Age (years)
55-59
60-64
65-69
70-74
75-79
80-84
85-89