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Volume 10, Number 10—October 2004


Dengue Emergence and Adaptation to Peridomestic Mosquitoes

Abelardo C. Moncayo*1, Zoraida Fernandez*2, Diana Ortiz*, Mawlouth Diallo†, Amadou Sall†, Sammie Hartman*, C. Todd Davis*, Lark L. Coffey*, Christian C. Mathiot†, Robert B. Tesh*, and Scott C. Weaver*Comments to Author 
Author affiliations: *University of Texas Medical Branch, Galveston, Texas, USA; †Institut Pasteur, Dakar, Senegal; 1Current affiliation: Ohio Northern University, Ada, Ohio, USA.; 2Current affiliation: Instituto Venezolano de Investigaciones Cientificas, Caracas, Venezuela.; Dengue Emergence and Adaptation to Mosquitoes

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Table 2

DENV-2 infection and dissemination rates in Aedes aegypti, Galvestona,b

Dengue strain % infected 
(totals) % disseminationc (totals)
1349 (endemic) 86.5 (32/37) 90.6 (29/32)
New Guinea C (endemic) 100 (38/38) 78.9 (30/38)
33974 (sylvatic) 54.2 (26/48) 61.5 (16/26)
2022 (sylvatic) 69.4 (25/36) 64 (16/25)
1407 (sylvatic) 11.4 (4/35) 0 (0/4)
  Endemic 93.3 (70/75) 84.3 (59/70)
  Sylvatic 63.0 (51/81) 62.7 (32/51)

aDENV, dengue virus.
bBlood meal titers are found in Table 1.
cNumber of infected mosquitoes with virus in the legs.
dStrain 1407 data were not included in the collapsed analysis because they were significantly different from data for other sylvatic strains.

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