Study of Coxsackievirus A24v and Its Role in Eye Infections in Brazil
Author Information
Author(s): Tavares Fernando Neto, Campos Renata de Mendonça, Burlandy Fernanda Marcicano, Fontella Rachel, de Melo Maria Mabel Monte, da Costa Eliane Veiga, da Silva Edson Elias
Primary Institution: Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Brazil
Hypothesis
Coxsackievirus A24 variant (CA24v) is responsible for outbreaks of acute hemorrhagic conjunctivitis (AHC) in Brazil.
Conclusion
The study found that Asian strains of CA24v were responsible for AHC outbreaks in Brazil since 1987, with new strains introduced in 2003 and 2009.
Supporting Evidence
- Coxsackievirus A24 variant (CA24v) is the most prevalent viral pathogen associated with AHC outbreaks.
- The study analyzed samples from outbreaks in 2005 and 2009 in Brazil.
- Phylogenetic analysis revealed that CA24v strains in Brazil evolved from Asian isolates.
Takeaway
This study looked at a virus that causes eye infections in Brazil and found that it came from Asia. It helps us understand how the virus spreads.
Methodology
The study involved collecting eye discharge samples from patients, isolating the virus in cell cultures, and performing phylogenetic analysis on the viral strains.
Limitations
The study relied on samples collected during outbreaks, which may not represent all cases of AHC.
Participant Demographics
Patients presenting symptoms of AHC in Brazil during outbreaks in 2005 and 2009.
Digital Object Identifier (DOI)
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