Table 1. Human T-cell leukemia virus type 1 (HTLV-1) antibody titers and molecular screening results for HTLV-1–seropositive women from Ambae Island, Vanuatu Archipelago*.
Virus strain | Age (y) | PA titers | IFA titers |
WB pattern | PCR |
|||
---|---|---|---|---|---|---|---|---|
MT 2 | C 19 | 3´ LTR | 5´ LTR | env | ||||
VAN 54 | 45 | 1/2,048 | 1/320 | 1/80 | HTLV-I | + | + | + |
VAN 136 | 36 | 1/8,192 | 1/1,280 | 1/320 | HTLV-I | + | + | + |
VAN 251 | 42 | 1/1,024 | 1/40 | <1/20 | HTLV-I | + | + | + |
VAN 335 | 42 | 1/4,096 | 1/1,280 | 1/160 | HTLV-I | + | + | + |
DH1SIL2 (sister-in-law of VAN 335) | 56 | 1/8,192 | 1/2,560 | 1/320 | HTLV-I | NA | NA | NA |
AWM (mother of VAN 54) | 63 | 1/1,024 | 1/160 | 1/40 | HTLV-I | NA | NA | NA |
*PA, particle agglutination; IFA, immunofluorescence assay; WB, Western blot; PCR, polymerase chain reaction; LTR, long terminal repeat; NA, DNA not available.