Rickettsia parkeri in Argentina
2008

Rickettsia parkeri in Argentina

Sample size: 223 publication Evidence: moderate

Author Information

Author(s): Nava Santiago, Elshenawy Yasmin, Eremeeva Marina E., Sumner John W., Mastropaolo Mariano, Paddock Christopher D.

Primary Institution: Instituto Nacional de Tecnología Agropecuaria, Santa Fe, Argentina

Hypothesis

Are Amblyomma triste ticks in the Paraná River Delta of Argentina vectors for Rickettsia parkeri?

Conclusion

The study provides evidence that Amblyomma triste ticks in Argentina are vectors for Rickettsia parkeri, which is relevant for public health.

Supporting Evidence

  • 17 out of 223 Amblyomma triste ticks tested positive for Rickettsia parkeri.
  • The prevalence of R. parkeri in A. triste ticks is similar to rates found in Brazil and Uruguay.
  • R. parkeri has been associated with human diseases in the region.

Takeaway

This study found that some ticks in Argentina carry a germ that can make people sick, and these ticks are found in certain areas near the Paraná River.

Methodology

Ticks were collected from two sites and tested for Rickettsia parkeri using PCR.

Limitations

The study focused only on adult ticks and did not collect immature stages.

Digital Object Identifier (DOI)

10.3201/eid1412.080860

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