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Updated: Jun 19, 2026
A Multi-detection Assay for Malaria Transmitting Mosquitoes
Published on: February 28, 2015
[Imported malaria: diagnostic traps and rapid tests]
1Université et Faculté de médecine PARIS 5, Hôpital Saint-Vincent de Paul-Cochin, 74 av Denfert-Rochereau, 75014 Paris.
Abstract:
Imported malaria is a disease prevalent in France: 6,000 to 8,000 cases a year, of which 15% are pediatric cases. Despite this high incidence, the diagnosis is often delayed. The patient may then evolve to a severe form. This diagnostic delay is due to non-specific clinical symptoms in children. The most common symptoms are fever and digestive disorders (diarrhea, vomiting). In the absence of thrombocytopenia, the laboratory tests are not very useful for diagnosis. Parasitological examinations are dependent on the experience of the biologist, particularly in cases of low parasitemia as those observed in children who have received partial chemoprophylaxis. The recent introduction of rapid tests based on the detection of Plasmodium proteins, allows emergency remedy to this problem. The blood smears remains the gold standard and has to be used to confirm the results of rapid tests. If rapid tests improve the detection of Plasmodium in 2009, it remains mandatory to evoke the diagnosis of malaria in any febrile child coming from an endemic area.
Insights
Imported malaria diagnosis in children is often delayed due to non-specific symptoms. Rapid diagnostic tests improve detection, but blood smears remain essential for confirming Plasmodium infection.
Area of Science:
- Tropical medicine
- Pediatric infectious diseases
- Diagnostic microbiology
Context:
- Imported malaria affects 6,000-8,000 individuals annually in France, with 15% being pediatric cases.
- Delayed diagnosis in children is common due to non-specific symptoms like fever and gastrointestinal issues.
- Traditional laboratory tests are often inconclusive in pediatric malaria, especially with low parasitemia.
Purpose:
- To highlight the diagnostic challenges of imported malaria in children.
- To evaluate the utility of rapid diagnostic tests (RDTs) for Plasmodium detection.
- To emphasize the continued importance of parasitological examination in pediatric malaria.
Summary:
- Pediatric malaria diagnosis is frequently delayed because symptoms mimic common childhood illnesses.
- Rapid diagnostic tests offer a faster detection method for Plasmodium, addressing limitations of traditional tests.
- Blood smear microscopy is crucial for confirming RDT results and remains the gold standard for malaria diagnosis.
Impact:
- Improved and timely diagnosis of pediatric malaria can prevent progression to severe disease.
- Integration of RDTs can enhance malaria detection rates in emergency settings.
- Increased awareness and diagnostic vigilance are necessary for febrile children from endemic areas.
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