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Volume 12, Number 5—May 2006

Research

Aedes aegypti Larval Indices and Risk for Dengue Epidemics

Lizet Sanchez*, Veerle Vanlerberghe†, Lázara Alfonso*, María del Carmen Marquetti*, María Guadalupe Guzman*, Juan Bisset*, and Patrick van der Stuyft†
Author affiliations: *Tropical Medicine Institute "Pedro Kouri," Havana, Cuba; †Institute of Tropical Medicine, Antwerp, Belgium

Main Article

Table 1

Mean house index (HI) and Breteau index (BI) before, during, and after the dengue outbreak and mean area and population at different geographic levels, Playa Municipality, Havana, 2000

Level July–August 2000 (before outbreak)
September–October 2000 (during outbreak)
November–December 2000 (after outbreak)
HI (%) BI HI (%) BI HI (%) BI Area (km2) Population
Municipality 0.87 0.92 1.53 1.73 0.69 0.73 34.90 182,485
Health area*
With cases (n = 5) 0.92 0.99 1.97 2.34 0.48 0.50 2.85 21,815
Without cases (n = 4) 1.03 1.08 0.89 1.06 0.87 0.93 5.13 16,320
Neighborhood†
With cases (n = 38) 1.12 1.12 4.00 4.53 0.80 0.84 0.078 2,057
Without cases (n = 38) 0.64 0.69 1.39 1.52 0.74 0.81 0.062 1,466
Block†
With cases (n = 38) 0.33 0.34 2.40 2.92 0.62 0.66 0.010 271
Without cases (n = 38) 0.13 0.20 0.35 0.42 0.32 0.33 0.008 195

*For all areas in the municipality.
†For neighborhoods/blocks included in the study.

Main Article

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