Report of Chikungunya Virus in Wild Populations of Aedes aegypti in Guerrero State, Mexico

Ponce‐García, Gustavo; Flores‐Suarez, Adriana E.; Villanueva-Segura, Olga Karina; López-Rodríguez, Martha Patricia; Dzul, Felipe; López-Monroy, Beatriz; Rodríguez‐Sánchez, Iram P.

doi:10.2987/17-6683.1

Cited by 1 publication

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References 14 publications

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“…Populations of Ae. aegypti males collected in Mexico [42] and Thailand [43] have also been identified to be naturally infected with CHIKV. It has been shown that the high vector competence of both Ae.…”

Section: Discussionmentioning

confidence: 99%

Chikungunya virus Detection in Aedes aegypti and Culex quinquefasciatus during an Outbreak in the Amazon Region

Cruz

Neto

Silva

et al. 2020

Viruses

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Chikungunya virus (CHIKV) was first reported in Brazil in 2014 and, after it spread countrywide, an outbreak of febrile illness with reports of arthralgia happened in the municipality of Xinguara, Pará, Brazil in 2017, indicating the virus’ circulation. Here, we aimed to investigate CHIKV in mosquito vectors collected during an active surveillance of virus isolation in cell culture by using molecular detection and viral genome sequencing. A total of 492 Aedes, Culex and Mansonia mosquitoes were collected and separated in 36 pools according to the species and sex, and 22.2% (8/36) were positive. CHIKV was indentified in pools of Ae. aegypti females (n = 5), an Ae. aegypti male (n = 1) and in Culex quinquefasciatus females (n = 2). However, as the mosquitoes’ whole bodies were macerated and used for detection, one cannot suggest the role of the latter in the viral transmission. Despite this, vector competence studies must be carried out in the different species to investigate long-term adaptations. Viral genome sequencing has characterized the East-Central-South-African (ECSA) genotype in all positive pools analyzed, corroborating previous reports for the Amazon region.

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Section: Discussionmentioning

confidence: 99%