Plasmodium ovale infection in Malaysia: first imported case

Lim, Yvonne Ai Lian and Mahmud, Rohela and Chew, Ching Hoong and Thiruventhiran, T. and Chua, Kek Heng (2010) Plasmodium ovale infection in Malaysia: first imported case. Malaria Journal, 9. p. 272. ISSN 1475-2875, DOI https://doi.org/10.1186/1475-2875-9-272.

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Abstract

Background Plasmodium ovale infection is rarely reported in Malaysia. This is the first imported case of P. ovale infection in Malaysia which was initially misdiagnosed as Plasmodium vivax. Methods Peripheral blood sample was first examined by Giemsa-stained microscopy examination and further confirmed using a patented in-house multiplex PCR followed by sequencing. Results and Discussion Initial results from peripheral blood smear examination diagnosed P. vivax infection. However further analysis using a patented in-house multiplex PCR followed by sequencing confirmed the presence of P. ovale. Given that Anopheles maculatus and Anopheles dirus, vectors of P. ovale are found in Malaysia, this finding has significant implication on Malaysia's public health sector. Conclusions The current finding should serve as an alert to epidemiologists, clinicians and laboratory technicians in the possibility of finding P. ovale in Malaysia. P. ovale should be considered in the differential diagnosis of imported malaria cases in Malaysia due to the exponential increase in the number of visitors from P. ovale endemic regions and the long latent period of P. ovale. It is also timely that conventional diagnosis of malaria via microscopy should be coupled with more advanced molecular tools for effective diagnosis.

Item Type:	Article
Funders:	UNSPECIFIED
Additional Information:	Department of Molecular Medicine, Faculty of Medicine Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords:	Malaria; Plasmodium; Cerebral Malaria; Plasmodium Species; Plasmodium Knowlesi
Subjects:	R Medicine
Divisions:	Faculty of Medicine
Depositing User:	Ms azrahani halim
Date Deposited:	01 Oct 2012 03:28
Last Modified:	13 Nov 2019 07:16
URI:	http://eprints.um.edu.my/id/eprint/3844

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