PCR-based methods to the diagnosis of imported malaria
A Berry1, F Benoit-Vical, R Fabre
1Service de Parasitologie-Mycologie, Hôpital Rangueil, Centre Hospitalier Universitaire de Toulouse, TSA 50032, 31059 Toulouse 9, France. berry.a@chu-toulouse.fr
Summary
Polymerase-chain-reaction (PCR) offers a highly sensitive and specific method for diagnosing imported malaria. A negative PCR result reliably excludes malaria, enabling faster identification of other causes of fever in returning travelers.
Area of Science:
- Medical diagnostics
- Infectious diseases
- Molecular biology
Background:
- Accurate diagnosis of malaria is crucial for febrile patients returning from endemic regions.
- The utility of polymerase-chain-reaction (PCR) for diagnosing imported malaria remains a key research question.
Purpose of the Study:
- To evaluate the role and effectiveness of PCR-based assays in the laboratory diagnosis of imported malaria.
- To compare the sensitivity and specificity of PCR with conventional diagnostic methods.
Main Methods:
- Review and analysis of PCR-based diagnostic assays for Plasmodium infection.
- Comparison of PCR performance against established malaria diagnostic techniques.
Main Results:
- PCR-based assays demonstrate superior sensitivity and specificity compared to all conventional diagnostic methods.
- A negative PCR result effectively rules out malaria infection, facilitating prompt investigation of alternative febrile etiologies.
Conclusions:
- PCR represents a highly accurate molecular diagnostic tool for imported malaria.
- The technique should be recognized as the gold standard for diagnosing malaria in returning travelers.


