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TABLE 1.

Summary data from a patient (case 1) coinfected with CHIKV and DENV imported from Singapore

ParameterDescription or result
PatientCase 1
InfectionsCHIKV and DENV-2
Age (yr)12
GenderMale
Travel period in Singapore17 to 20 April 2009
Onset of disease22 April 2009
Clinical symptomsFever
Headache
Vomiting
Arthralgia
Rash
Skin itch
Laboratory findings
    Real-time RT-PCR (day 2)CHIKV+, 105.6 PFU/ml
DENV-2+, 101.3 PFU/ml
    Virus isolation (day 2)CHIKV and DENV-2
    DENV IgM/IgG (day 2)a0.13/0.106
    DENV IgM/IgG (day 24)1.383/0.702
    CHIKV IgM/IgG (day 2)0.087/0.098
    CHIKV IgM/IgG (day 24)2.074/1.611
aOptical density at 405 nm, enzyme-linked immunosorbent assay.