Dengue virus-infected Aedes aegypti in the home environment.
We determined abundance of Aedes aegypti mosquitoes and presence of dengue virus (DENV) in females collected from premises of laboratory-confirmed dengue patients over a 12-month period (March 2007 to February 2008) in Merida, Mexico. Backpack aspiration from 880 premises produced 1,836 females and 1,292 males indoors (predominantly from bedrooms) and 102 females and 108 males from patios/backyards. The mean weekly indoor catch rate per home peaked at 7.8 females in late August. Outdoor abundances of larvae or pupae were not predictive of female abundance inside the home. DENV-infected Ae. aegypti females were recovered from 34 premises. Collection of DENV-infected females from homes of dengue patients up to 27 days after the onset of symptoms (median, 14 days) shows the usefulness of indoor insecticide application in homes of suspected dengue patients to prevent their homes from becoming sources for dispersal of DENV by persons visiting and being bitten by infected mosquitoes.
Garcia-Rejon
Julian
J
Laboratorio de Arbovirología, Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Merida, Yucatan, Mexico.
Loroño-Pino
Maria Alba
MA
Farfan-Ale
Jose Arturo
JA
Flores-Flores
Luis
L
Del Pilar Rosado-Paredes
Elsy
E
Rivero-Cardenas
Nubia
N
Najera-Vazquez
Rosario
R
Gomez-Carro
Salvador
S
Lira-Zumbardo
Victor
V
Gonzalez-Martinez
Pedro
P
Lozano-Fuentes
Saul
S
Elizondo-Quiroga
Darwin
D
Beaty
Barry J
BJ
Eisen
Lars
L
D000293:Adolescent; D000328:Adult; D000330:Aedes / Q000502:physiology* / Q000821:virology*; D000818:Animals; D002648:Child; D002675:Child, Preschool; D003715:Dengue / Q000453:epidemiology; D003716:Dengue Virus / Q000302:isolation & purification*; D005260:Female; D006798:Housing; D006801:Humans; D007223:Infant; D008297:Male; D008800:Mexico / Q000453:epidemiology; D009032:Mosquito Control; D011156:Population Density; D011891:Rain; D012621:Seasons; D013696:Temperature; D013997:Time Factors