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The importance of sensitive detection of malaria parasites in the human and insect hosts in epidemiological studies, as shown by the analysis of field samples from Guinea Bissau
Abstract
A method based on the polymerase chain reaction (PCR) for highly sensitive detection and identification of human malaria parasites was applied to blood and mosquito samples obtained from a village in Guinea Bissau. The prevalence of parasites in the human population was shown to be greatly underestimated by microscopical examination. In particular, a high incidence of Plasmodium malariae and P. ovale parasites was revealed only by the PCR assay. Preliminary evidence was obtained to show that the distribution of P. malariae infections within the village was non-random. This was supported by analysis of the parasite species infecting the mosquito vector. The implication of these results for the design and interpretation of epidemiological surveys is discussed.
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Cites
Barker, R. H., Banchongaksorn, T., Courval, J. M., Suwonkerd, W., Rimwungtragoon, K., & Wirth, D. F. (1992) · The American Journal of Tropical Medicine and Hygiene · doi:10.4269/ajtmh.1992.46.416 · Cited by 148
Cited by
The silent threat: asymptomatic parasitemia and malaria transmission
Lindblade, K. A., Steinhardt, L., Samuels, A., Kachur, S. P., & Slutsker, L. (2013) · Expert Review of Anti-infective Therapy · doi:10.1586/eri.13.45 · Cited by 600
Okell, L. C., Ghani, A. C., Lyons, E., & Drakeley, C. J. (2009) · The Journal of Infectious Diseases · doi:10.1086/644781 · Cited by 532
Mixed-species malaria infections in humans
Mayxay, M., Pukrittayakamee, S., Newton, P. N., & White, N. J. (2004) · Trends in Parasitology · doi:10.1016/j.pt.2004.03.006 · Cited by 301
Nested PCR Analysis of Plasmodium Parasites
Snounou, G., & Singh, B. (2003) · Malaria Methods and Protocols · doi:10.1385/1-59259-271-6:189 · Cited by 279
Self-citationPadley, D., Moody, A. H., Chiodini, P. L., & Saldanha, J. (2003) · Annals of Tropical Medicine & Parasitology · doi:10.1179/000349803125002977 · Cited by 202
Metadata
- Authors
- Snounou, G., Pinheiro, L., Gonçalves, A., Fonseca, L., Dias, F., Brown, K. N., & do Rosario, V. E.
- Venue
- Transactions of the Royal Society of Tropical Medicine and Hygiene
- Publisher
- Oxford University Press (OUP)
- Published
- 1993-11
- Volume
- 87
- Issue
- 6
- Pages
- 649-653
- ISSN
- 0035-9203 (ISSN-L)
- OpenAlex
- W1972599022
- Cited by
- 179
- References
- 1
- FWCI
- 4.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The importance of sensitive detection of malaria parasites in the human and insect hosts in epidemiological studies, as shown by the analysis of field samples from Guinea Bissau. https://app.cochat.ai/papers/10.1016/0035-9203(93)90274-t
- The paper
- Snounou, G., Pinheiro, L., Gonçalves, A., Fonseca, L., Dias, F., Brown, K. N., & do Rosario, V. E. (1993). The importance of sensitive detection of malaria parasites in the human and insect hosts in epidemiological studies, as shown by the analysis of field samples from Guinea Bissau. Transactions of the Royal Society of Tropical Medicine and Hygiene. https://doi.org/10.1016/0035-9203(93)90274-t
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
