Seroprevalence and Risk Factors for Influenza A Viruses in Pigs in Peninsular Malaysia
Identifieur interne : 001308 ( Main/Exploration ); précédent : 001307; suivant : 001309Seroprevalence and Risk Factors for Influenza A Viruses in Pigs in Peninsular Malaysia
Auteurs : R. Suriya [Malaisie] ; L. Hassan [Malaisie] ; A. R. Omar [Malaisie] ; I. Aini [Malaisie] ; C. G. Tan [Malaisie] ; Y. S. Lim [Malaisie] ; M. I. Kamaruddin [Malaisie]Source :
- Zoonoses and Public Health [ 1863-1959 ] ; 2008-09.
Abstract
Following a series of H5N1 cases in chickens and birds in a few states in Malaysia, there was much interest in the influenza A viruses subtypes that circulate among the local pig populations. Pigs may act as a mixing vessel for avian and mammal influenza viruses, resulting in new reassorted viruses. This study investigated the presence of antibodies against influenza H1N1 and H3N2 viruses in pigs from Peninsular Malaysia using Herdcheck Swine Influenza H1N1 and H3N2 Antibody Test Kits. At the same time, the presence of influenza virus was examined from the nasal swabs of seropositive pigs by virus isolation and real time RT‐PCR. The list of pig farms was obtained from the headquarters of the Department of Veterinary Services, Malaysia, and pig herds were selected randomly from six of 11 states in Peninsular Malaysia. A total of 727 serum and nasal swab samples were collected from 4‐ to 6‐month‐old pigs between May and August 2005. By ELISA, the seroprevalences of swine influenza H1N1 and H3N2 among pigs were 12.2% and 12.1% respectively. Seropositivity for either of the virus subtypes was detected in less than half of the 41 sampled farms (41.4%). Combination of both subtypes was detected in 4% of all pigs and in 22% of sampled farms. However, no virus or viral nucleic acid was detected from nasal samples. This study identified that the seropositivity of pigs to H1N1 and H3N2 based on ELISA was significantly associated with factors such as size of farm, importation or purchase of pigs, proximity of farm to other pig farms and the presence of mammalian pets within the farm.
Url:
DOI: 10.1111/j.1863-2378.2008.01138.x
Affiliations:
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Tan</name><affiliation wicri:level="1"><country xml:lang="fr">Malaisie</country><wicri:regionArea> Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Selangor DE</wicri:regionArea><wicri:noRegion>Selangor DE</wicri:noRegion></affiliation></author><author><name sortKey="Lim, Y S" sort="Lim, Y S" uniqKey="Lim Y" first="Y. S." last="Lim">Y. S. Lim</name><affiliation wicri:level="1"><country xml:lang="fr">Malaisie</country><wicri:regionArea> Department of Veterinary Services, Wisma Tani, Putrajaya</wicri:regionArea><wicri:noRegion>Putrajaya</wicri:noRegion></affiliation></author><author><name sortKey="Kamaruddin, M I" sort="Kamaruddin, M I" uniqKey="Kamaruddin M" first="M. I." last="Kamaruddin">M. I. Kamaruddin</name><affiliation wicri:level="1"><country xml:lang="fr">Malaisie</country><wicri:regionArea> Department of Veterinary Services, Wisma Tani, Putrajaya</wicri:regionArea><wicri:noRegion>Putrajaya</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Zoonoses and Public Health</title><title level="j" type="alt">ZOONOSES AND PUBLIC HEALTH</title><idno type="ISSN">1863-1959</idno><idno type="eISSN">1863-2378</idno><imprint><biblScope unit="vol">55</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="342">342</biblScope><biblScope unit="page" to="351">351</biblScope><biblScope unit="page-count">10</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-09">2008-09</date></imprint><idno type="ISSN">1863-1959</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1863-1959</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Following a series of H5N1 cases in chickens and birds in a few states in Malaysia, there was much interest in the influenza A viruses subtypes that circulate among the local pig populations. Pigs may act as a mixing vessel for avian and mammal influenza viruses, resulting in new reassorted viruses. This study investigated the presence of antibodies against influenza H1N1 and H3N2 viruses in pigs from Peninsular Malaysia using Herdcheck Swine Influenza H1N1 and H3N2 Antibody Test Kits. At the same time, the presence of influenza virus was examined from the nasal swabs of seropositive pigs by virus isolation and real time RT‐PCR. The list of pig farms was obtained from the headquarters of the Department of Veterinary Services, Malaysia, and pig herds were selected randomly from six of 11 states in Peninsular Malaysia. A total of 727 serum and nasal swab samples were collected from 4‐ to 6‐month‐old pigs between May and August 2005. By ELISA, the seroprevalences of swine influenza H1N1 and H3N2 among pigs were 12.2% and 12.1% respectively. Seropositivity for either of the virus subtypes was detected in less than half of the 41 sampled farms (41.4%). Combination of both subtypes was detected in 4% of all pigs and in 22% of sampled farms. However, no virus or viral nucleic acid was detected from nasal samples. This study identified that the seropositivity of pigs to H1N1 and H3N2 based on ELISA was significantly associated with factors such as size of farm, importation or purchase of pigs, proximity of farm to other pig farms and the presence of mammalian pets within the farm.</div></front></TEI><affiliations><list><country><li>Malaisie</li></country></list><tree><country name="Malaisie"><noRegion><name sortKey="Suriya, R" sort="Suriya, R" uniqKey="Suriya R" first="R." last="Suriya">R. Suriya</name></noRegion><name sortKey="Aini, I" sort="Aini, I" uniqKey="Aini I" first="I." last="Aini">I. Aini</name><name sortKey="Hassan, L" sort="Hassan, L" uniqKey="Hassan L" first="L." last="Hassan">L. Hassan</name><name sortKey="Kamaruddin, M I" sort="Kamaruddin, M I" uniqKey="Kamaruddin M" first="M. I." last="Kamaruddin">M. I. Kamaruddin</name><name sortKey="Lim, Y S" sort="Lim, Y S" uniqKey="Lim Y" first="Y. S." last="Lim">Y. S. Lim</name><name sortKey="Omar, A R" sort="Omar, A R" uniqKey="Omar A" first="A. R." last="Omar">A. R. Omar</name><name sortKey="Tan, C G" sort="Tan, C G" uniqKey="Tan C" first="C. G." last="Tan">C. G. Tan</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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