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Updated: Jul 4, 2025

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Plasmodium falciparum Gametocyte Culture and Mosquito Infection Through Artificial Membrane Feeding
Published on: July 3, 2020
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Chronic Infection by Plasmodium falciparum
José Pedro Manata1, Marisa Brochado1, Bernardo Silva1
1Internal Medicine, Hospital Distrital de Santarém, Santarém, PRT.
Cureus
|February 6, 2024
Summary
Chronic Plasmodium falciparum malaria, though rare, can persist over a year. This case highlights the utility of PCR testing in diagnosing prolonged Plasmodium falciparum infections when standard tests fail.
Area of Science:
- Infectious Diseases
- Tropical Medicine
- Parasitology
Background:
- Plasmodium falciparum malaria typically resolves within a year.
- Chronic malaria infections are uncommon but documented.
- Early diagnosis and treatment are crucial for malaria management.
Observation:
- A 37-year-old male presented with symptoms suggestive of malaria recurrence.
- Initial Plasmodium diagnostic tests (microscopy, antigen) were negative.
- Patient had a history of malaria in Angola over a year prior.
Findings:
- Recurrent fever spikes prompted further investigation.
- Polymerase Chain Reaction (PCR) detected Plasmodium falciparum DNA.
- Antibody testing also confirmed P. falciparum infection.
- Artemether-lumefantrine treatment led to parasite eradication.
Implications:
- Polymerase Chain Reaction (PCR) is a highly sensitive tool for diagnosing chronic Plasmodium falciparum malaria.
- This case underscores the importance of considering prolonged infections in endemic areas.
- Advanced diagnostic methods may be necessary when standard malaria tests are inconclusive.

