Table 1 HTLV-1 incidence rates per 1000 PYO by sex and age in the periods 1990-1997 and 1997-2007 in Caió, Guinea-Bissau

1.1 (2/1,753)

2.3 (7/3,081)

2.0 (0.4-9.6)

1.8 (2/1,135)

1.0 (1/968)

0.6 (0.1-6.5)

1.4 (4/2,887)

2.0 (8/4,050)

1.4 (0.4-4.7)

1.5 (6/3,884)

0.4 (2/4,916)

0.3 (0.1-1.3)

2.7 (6/2,199)

3.0 (8/2,627)

1.1(0.4-3.2)

2.0 (12/6,083)

1.3 (10/7,543)

0.7 (0.3-1.6)

1.4 (8/5,363)

1.1 (9/7,997)

0.8 (0.3-2.1)

2.4 (8/3,333)

2.5 (9/3,595)

1.0 (0.4-2.7)

1.8 (16/8,970)

1.6 (18/11,592)

0.9 (0.4-1.7) ^b