Concentration of anti-E Abs and anti-FL Abs and proportion of anti-FL Abs in sequential serum samples from 10 dengue cases.

aPrimary or secondary DENV infection was determined as described in Methods.bThe current infecting serotype was determined as described in Methods. With the exception of two DHF/DSS cases (274, 233), all others were DF cases. D = DENV.cSampling time was determined relative to onset of fever.d[anti-E Abs], [anti-FL Abs] and % anti-FL Abs were determined as described in Methods.eBelow the limit of detection (BD). The limit of detection of % anti-FL Abs is 4% as described in Methods.