Volume 10, Number 10—October 2004
Research
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*
Table 6
DENV-2 infection and dissemination rates in Aedes albopictus (Brazil)a,b
| Geographic population, generation | Dengue strain | % infected (totals) | % disseminationc (totals) |
|---|---|---|---|
| Pindamonhangaba F1 | |||
| New Guinea C (endemic) | 76.9 (10/13) | 90 (9/10) | |
| 33974 (sylvatic) | 10.7 (3/28) | 100 (3/3) | |
| Pedrinhas F1 | |||
| New Guinea C (endemic) | 100 (10/10) | 100 (10/10) | |
| 33974 (sylvatic) | 10 (2/20) | 50 (1/2) | |
| Pedrinhas F2 | |||
| 1349 (endemic) | 100 (17/17) | 88 (15/17) | |
| New Guinea C (endemic) | 95.7 (22/23) | 100 (22/22) | |
| 33974 (sylvatic) | 46.2 (6/13) | 100 (6/6) | |
| 2022 (sylvatic) | 0 (0/15) | 0 (0/0) | |
| 1407 (sylvatic) | 33.3 (5/15) | 0 (0/5) | |
| Collapsed (Pedrinhas F2)d | |||
| Endemic | 49.3 (39/79) | 94.9 (37/39) | |
| Sylvatic | 21.4 (6/28) | 100 (6/6) |
aDENV, dengue virus; F2, second generation.
bBlood meal titers are found in Table 1.
cNumber of infected mosquitoes with virus in the legs.
dStrain 2022 data were not included in the collapsed analysis because they were significantly different than data for the other sylvatic strains.
