Disease severity, virus serotype, secondary infection (2° infection), and hospitalization.

Abstract

*<p>UDS = Unable to determine serotype, participants had IgM anti-DENV positive on S1 specimen or had seroconverted from IgM anti-DENV negative to positive between S1 and S2 specimens but dengue virus serotypes could not be identified from S1 [mosquitoe inoculation ( 2006) or RT-PCR (2007–9)].</p>**<p>DHF Grade 1, Grade 2, Grade 3.</p>***<p>193 hospitalized patients consisted of DHF 42/42 cases (100%), DF 119/142 cases (83.8%), and UF 32/210 cases (15.2%).</p