Transmission Potential of Zika Virus by Aedes aegypti (Diptera: Culicidae) and Ae. mediovittatus (Diptera: Culicidae) Populations From Puerto Rico.
Mosquito
arbovirus
emerging pathogen
epidemiology
invasive and native species
Journal
Journal of medical entomology
ISSN: 1938-2928
Titre abrégé: J Med Entomol
Pays: England
ID NLM: 0375400
Informations de publication
Date de publication:
15 05 2021
15 05 2021
Historique:
received:
26
08
2020
pubmed:
9
2
2021
medline:
17
11
2021
entrez:
8
2
2021
Statut:
ppublish
Résumé
Recurrence of local transmission of Zika virus in Puerto Rico is a major public health risk to the United States, where mosquitoes Aedes aegypti (Linnaeus) and Aedes mediovittatus (Coquillett) are abundant. To determine the extent to which Ae. mediovittatus are capable of transmitting Zika virus and the influence of viremia, we evaluated infection and transmission in Ae. mediovittatus and Ae. aegypti from Puerto Rico using serial dilutions of infectious blood. Higher doses of infectious blood resulted in greater infection rates in both mosquitoes. Aedes aegypti females were up to twice as susceptible to infection than Ae. mediovittatus, indicating a more effective midgut infection barrier in the latter mosquito species. Aedes aegypti exhibited higher disseminated infection (40-95%) than Ae. mediovittatus (<5%), suggesting a substantial midgut escape barrier in Ae. mediovittatus. For Ae. aegypti, transmission rates were low over a range of doses of Zika virus ingested, suggesting substantial salivary gland barriers.
Identifiants
pubmed: 33554254
pii: 6130200
doi: 10.1093/jme/tjaa286
pmc: PMC8122233
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
1405-1411Subventions
Organisme : NIAID NIH HHS
ID : R21 AI128188
Pays : United States
Informations de copyright
© The Author(s) 2021. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
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