Dengue virus detection by using reverse transcription-polymerase chain reaction in saliva and progeny of experimentally infected Aedes albopictus from Brazil
Mem. Inst. Oswaldo Cruz
; 99(8): 809-814, dez. 2004. ilus, tab
Article
en En
| LILACS
| ID: lil-393761
Biblioteca responsable:
BR1.1
RESUMO
Oral susceptibility and vertical transmission of dengue virus type 2 (DENV-2) in an Aedes albopictus sample from Rio de Janeiro was estimated. The infection (36.7 percent) and transmission (83.3 percent) rates for Ae. albopictus were higher than those of an Ae. aegypti colony used as control, 32.8 and 60 percent, respectively. Fourth instar larvae and females descendants of 48.5 and 39.1 percent of experimentally infected Ae. albopictus showed to harbor the virus. The oral susceptibility and the high capacity to assure vertical transmission exhibited by Ae. albopictus from Brazil reinforce that this species may play a role in the maintenance of the virus in nature and be a threat for dengue control in the country.
Texto completo:
1
Índice:
LILACS
Asunto principal:
Saliva
/
Aedes
/
Virus del Dengue
/
Insectos Vectores
Tipo de estudio:
Diagnostic_studies
Límite:
Animals
/
Female
/
Humans
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Asunto de la revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Año:
2004
Tipo del documento:
Article