Dengue Virus 3 Genotype I in Aedes aegypti Mosquitoes and Eggs in Brazil
Author Information
Author(s): Vilela Ana P.P., Figueiredo Leandra B., dos Santos João R., Eiras Álvaro E., Bonjardim Cláudio A., Ferreira Paulo C.P., Kroon Erna G.
Primary Institution: Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
Hypothesis
Dengue virus type 3 genotype I was detected in Brazil during epidemics in 2002–2004.
Conclusion
The study confirms the circulation of DENV-3 genotype I in Aedes aegypti mosquitoes and eggs in Minas Gerais, Brazil.
Supporting Evidence
- DENV-3 genotype I was associated with dengue fever and DHF in Minas Gerais.
- Viral RNA was detected in 4 of the 25 A. aegypti mosquito pools analyzed.
- Minimum infection rates were 16.9% for adult mosquitoes and 0.18% for larvae.
Takeaway
Scientists found a type of dengue virus in mosquitoes in Brazil, which helps track how the virus spreads.
Methodology
Mosquitoes and eggs were collected using traps in an urban area and analyzed for viral RNA.
Limitations
The study was limited to a specific geographic area and time frame.
Participant Demographics
The study focused on Aedes aegypti mosquitoes in Belo Horizonte, Minas Gerais, Brazil.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website