Comparative analysis of suspected CHIKV acute-phase serum samples for positivity by RT-LAMP, RT-PCR, virus isolation, and IgM antibody detection

ResultNo. of positive or negative samples (% positive or negative)a
RT-LAMPRT-PCRIgMVirus isolation
Positive38 (43)17 (19)14 (16)15 (17)
Negative51 (57)72 (81)75 (84)74 (83)
  • a The numbers in parentheses indicate the percent positivity and negativity out of the total 89 samples analyzed in this study.