Plasmodium ovale infection in Malaysia: first imported case

Lim, Y.A.; Mahmud, R.; Chew, C.H.; T, T.; Chua, K.H. (2010) Plasmodium ovale infection in Malaysia: first imported case. Malaria Journal, 9 (1). p. 272. ISSN 1475-2875

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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. 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
    Creators:
    1. Lim, Y.A.(Department of Parasitology, Faculty of Medicine University of Malaya, 50603 Kuala Lumpur, MALAYSIA)
    2. Mahmud, R.
    3. Chew, C.H.
    4. T, T.
    5. Chua, K.H.
    Journal or Publication Title: Malaria Journal
    Additional Information: Lim, Yvonne A L Mahmud, Rohela Chew, Ching Hoong T, Thiruventhiran Chua, Kek Heng eng Case Reports Research Support, Non-U.S. Gov't England 2010/10/12 06:00 Malar J. 2010 Oct 8;9:272.
    Uncontrolled Keywords: Blood/parasitology DNA, Protozoan/genetics/isolation & purification Humans Malaria/*diagnosis/*parasitology Malaysia Male Microscopy/methods Parasitology/methods Plasmodium ovale/classification/cytology/genetics/*isolation & purification Polymerase Chain Reaction/methods Sequence Analysis, DNA Young Adult
    Subjects: R Medicine
    Divisions: Faculty of Medicine > School of Medicine
    Depositing User: Ms Johana Johari
    Date Deposited: 10 Dec 2012 09:41
    Last Modified: 10 Dec 2012 09:41
    URI: http://eprints.um.edu.my/id/eprint/4101

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