Hantavirus Seroprevalence and Ectoparasites Surveillance of Rodents in Selected Forested Areas in Sarawak

Lee, Wei Bin (2015) Hantavirus Seroprevalence and Ectoparasites Surveillance of Rodents in Selected Forested Areas in Sarawak. [Final Year Project Report] (Unpublished)

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Abstract

Hantavirus is a rodent-borne virus that categorised under the family Bunyaviridae. The research on hantavirus was only initiated after the Korean War in 1950s and is only being intensively studied in a few countries such as Korea and China. However, the study on hantavirus among rodent population in Malaysia is still minimal. A total of 50 rodents comprising five genus and nine species from five localities, namely, Kampung Sebayor, Kampung Serian Ulu, Samunsam Wildlife Sanctuary, Samajaya Nature Reserve, and Santubong National Park were examined. Sundamvs muelleri was the predominant rodent species examined. Seven species rodents were found to be infested with at least one of the seven species of ectoparasite recovered. The following ectoparasites was successfully isolated and known as important vectors for the transmission of zoonotic diseases: Ixodes granulatus, Haemaphysalis sp. 1, Laelaps sedlaceki, L. aingworthae, L. echidninus, Laelaps sp. 1 and Hoplopleura sp. The total prevalence of ectoparasites infestation rate were 38.00%, 12.00%, 64.00%, 14.00%, 4%. 00, 8.00%, and 2.00% for I. granulatus, Haemaphysalis sp. 1, L. sedlaceki, L. echidninus, L. aingworthae, Laelaps sp. 1, and Honlopleura sp. I respectively. The results of Simpson's Index of Diversity (1-D) were 0.2786, 0, 0,3324, 0.4624, and 0.1690 for Kampung Sebayor, Kampung Serian Ulu, Samunsam Wildlife Sanctuary, Samajaya Nature Reserve, and Santubong National Park respectively. The comparison of species diversity for ectoparasites on rodents of five localities was computed by using diversity t-test and the result shown to be significant. The result of Enzyme-linked Immunosorbent Assay (ELISA) test for prevalence of hanvavirus was shown to be negative out of 50 serum samples tested. As a conclusion, data from this research is important for enhancing the knowledge of hantavirus among resident in Malaysia and prevention measures should be taken.

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