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- Title
Dengue viremia titer, antibody response pattern, and virus serotype correlate with disease severity.
- Authors
Vaughn, D W; Green, S; Kalayanarooj, S; Innis, B L; Nimmannitya, S; Suntayakorn, S; Endy, T P; Raengsakulrach, B; Rothman, A L; Ennis, F A; Nisalak, A
- Abstract
Viremia titers in serial plasma samples from 168 children with acute dengue virus infection who were enrolled in a prospective study at 2 hospitals in Thailand were examined to determine the role of virus load in the pathogenesis of dengue hemorrhagic fever (DHF). The infecting virus serotype was identified for 165 patients (DEN-1, 46 patients; DEN-2, 47 patients; DEN-3, 47 patients, DEN-4, 25 patients). Patients with DEN-2 infections experienced more severe disease than those infected with other serotypes. Eighty-one percent of patients experienced a secondary dengue virus infection that was associated with more severe disease. Viremia titers were determined for 41 DEN-1 and 46 DEN-2 patients. Higher peak titers were associated with increased disease severity for the 31 patients with a peak titer identified (mean titer of 107.6 for those with dengue fever vs. 108.5 for patients with DHF, P=.01). Increased dengue disease severity correlated with high viremia titer, secondary dengue virus infection, and DEN-2 virus type.
- Publication
The Journal of infectious diseases, 2000, Vol 181, Issue 1, p2
- ISSN
0022-1899
- Publication type
Journal Article
- DOI
10.1086/315215