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Detection of Zika Virus in <i>Aedes aegypti</i> and <i>Aedes albopictus</i> Mosquitoes Collected in Urban Forest Fragments in the Brazilian Amazon
oleh: Erika Oliveira Gomes, Lívia Sacchetto, Maurício Teixeira, Bárbara Aparecida Chaves, Adam Hendy, Claudia Mendonça, Izabele Guimarães, Ramon Linhares, Daniela Brito, Danielle Valério, Jady Shayenne Mota Cordeiro, Alexandre Vilhena Silva Neto, Vanderson Souza Sampaio, Vera Margarete Scarpassa, Michaela Buenemann, Nikos Vasilakis, Djane Clarys Baia-da-Silva, Maurício Lacerda Nogueira, Maria Paula Gomes Mourão, Marcus Vinícius Guimarães Lacerda
Format: | Article |
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Diterbitkan: | MDPI AG 2023-06-01 |
Deskripsi
Zika virus (ZIKV) is an RNA flavivirus (<i>Flaviviridae</i> family) endemic in tropical and subtropical regions that is transmitted to humans by <i>Aedes</i> (<i>Stegomyia</i>) species mosquitoes. The two main urban vectors of ZIKV are <i>Aedes aegypti</i> and <i>Aedes albopictus,</i> which can be found throughout Brazil. This study investigated ZIKV infection in mosquito species sampled from urban forest fragments in Manaus (Brazilian Amazon). A total of 905 non-engorged female <i>Ae. aegypti</i> (22 specimens) and <i>Ae. albopictus</i> (883 specimens) were collected using BG-Sentinel traps, entomological hand nets, and Prokopack aspirators during the rainy and dry seasons between 2018 and 2021. All pools were macerated and used to inoculate C6/36 culture cells. Overall, 3/20 (15%) <i>Ae. aegypti</i> and 5/241 (2%) <i>Ae. albopictus</i> pools screened using RT-qPCR were positive for ZIKV. No supernatants from <i>Ae. aegypti</i> were positive for ZIKV (0%), and 15 out of 241 (6.2%) <i>Ae. albopictus</i> pools were positive. In this study, we provide the first-ever evidence of <i>Ae. albopictus</i> naturally infected with ZIKV in the Amazon region.