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Volume 26, Number 9—September 2020

Heterogeneity of Dengue Illness in Community-Based Prospective Study, Iquitos, Peru

William H. Elson, Robert C. Reiner, Crystyan Siles, Isabel Bazan, Stalin Vilcarromero, Amy R. Riley-Powell, Ania B. Kawiecki, Helvio Astete, Robert D. Hontz, Chris M. Barker, Gonzalo M. Vazquez-Prokopec, Amy C. Morrison, Thomas W. Scott, John P. Elder, Alan L. Rothman, and Valerie A. Paz-Soldan
Author affiliations: University of California Davis, Davis, California, USA (W.H. Elson, A.B. Kawiecki, C.M. Barker, A.C. Morrison, T.W. Scott); University of Washington School of Medicine, Seattle, Washington, USA (R.C. Reiner); US Naval Medical Research Unit No. 6, Lima and Iquitos, Peru (C. Siles, I. Bazan, S. Vilcarromero, H. Astete, R.D. Hontz, A.C. Morrison); University of Sussex, Brighton, UK (A.R. Riley-Powell); Tulane School of Public Health and Tropical Medicine, New Orleans, Louisiana, USA (A.R. Riley-Powell, V.A. Paz-Soldan); Emory University, Atlanta, Georgia, USA (G.M. Vazquez-Prokopec); San Diego State University, San Diego, California, USA (J.P. Elder); University of Rhode Island, Providence, Rhode Island, USA (A.L. Rothman)

Main Article

Table 1

Baseline characteristics of participants tested for heterogeneity of dengue illness in community-based prospective study, Iquitos, Peru*

Characteristic Total Index Contact
No. participants 79 55 24
No. surveys
Sex, no. (%)
M 38 (48) 27 (49) 11 (46)
41 (52)
28 (51)
13 (54)
Median age, y (IQR) 17 (12–27.5) 17 (14–26) 14.5 (9.5–31)
Day at diagnosis (IQR)
3 (2–4)
4 (3–5)
2 (1–3)
Serotype, %
DENV-2 76 (96) 53 (96) 23 (96)
3 (4)
2 (4)
1 (4)
WHO suspected dengue† (%) 67 (85) 51 (93) 16 (67)
Warning signs, no. (%) 20 (25) 18 (33) 2 (8)
Hospitalized, no. (%) 7 (9) 6 (11) 1 (4)

*DENV, dengue virus; IQR, interquartile range; WHO, World Health Organization.
†Persons who met the 2009 WHO criteria for suspected dengue (see Methods).

Main Article

Page created: June 03, 2020
Page updated: August 18, 2020
Page reviewed: August 18, 2020
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