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Table 2 Serological test results of the 9 participants with positive anti-ZIKV IgG and negative anti-ZIKV IgM

From: Low seroprevalence of Zika virus infection among adults in Southern Taiwan

  ELISA PRNT50 PRNT90
No Age- ranges, years Sex DENV IgM DENV IgG DENV1 DENV2 DENV3 DENV4 MR766 Thailand strain DENV1 DENV2 DENV3 DENV4 MR766 Thailand strain
1 70-74 M + + < 40 637 < 40 199 > 2560 < 40 < 40 479 < 40 < 40 401 < 40
2 20-24 F + + 1335 1139 120 285 239 < 40 288 436 < 40 < 40 < 40 < 40
3 75-79 F + + 1445 > 2560 161 < 40 < 40 < 40 < 160 > 2560 < 40 < 40 88 < 40
4 75-79 M + + < 40 1418 1127 < 40 < 40 < 40 < 40 320 320 < 40 < 40 < 40
5 55-59 F + + 886 1353 230 < 40 < 40 < 40 433 320 < 40 < 160 < 40 < 40
6 70-74 M + + 305 > 640a 116 < 40 > 640a 160 160 157 < 40 < 40 207 < 40
7 75-79 F + + < 40 118 < 40 < 40 > 640a < 40 < 40 44 < 40 < 40 160 < 40
8 55-59 M + 202 198 < 40 < 40 >640a 188 40 52 < 40 < 40 >640a < 40
9 70-74 M < 40 < 40 < 40 < 40 < 40 < 40 < 40 < 40 < 40 < 40 < 40 < 40
  1. ELISA enzyme-linked immunosorbent assay, PRNT plaque reduction neutralization test, DENV dengue virus, DENV1 dengue virus serotype 1, strain Hawaii, DENV2 dengue virus serotype 2, strain 16,681; DENV3 dengue virus serotype 3, strain H87, DENV4 dengue virus serotype 4, strain H241, MR766 Zika virus strain MR766. Thailand strain, one Zika virus isolate from an imported subject who got infection in Thailand
  2. aAdditional dilutions were not performed due to inadequate amount of residual samples