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KMID : 0380420100340030211
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Journal of Prventive Veterinary Medicine
2010 Volume.34 No. 3 p.211 ~ p.218
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Epidemiological analysis of introduction and transmission of Novel Influenza A (H1N1) to Korean pig farms in 2009
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Lee Sang-Jin
Kim Youn-Ju
Park Choi-Kyu
Chang Woo-Seok
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Abstract
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Since there had been the first human outbreak of novel influenza A/H1N1 in Mexico, it has become pandemic
throughout the world. In the Republic of Korea, the first human case was on May, 2009 and National Veterinary
Research and Quarantine Service (NVRQS) has started monitoring novel influenza A/H1N1 on domestic swine farms.
The first positive case was detected on 14, Dec, 2009 and until now, we have had total 17 positive cases. From the
first case, we did epidemiological investigation on introduction and transmission of virus to pigs. We have concluded
that virus had been introduced from humans to pigs, possibly from October to November, 2009 in our country. There were direct and indirect factors including the vehicles transporting veterinary medicine, feed, etc. related to transmission
of virus from farm to farm. However, breeding pigs seem to be extrinsic to transmitting factors. Upon the epidemiological investigation, the off-limits of visitors to farms and the disinfection is thought to be critical for blocking the introduction and transmission of novel influenza A/H1N1. In addition, collecting and analyzing the genetic informations of influenza virus is important for predicting and handling the new pandemic influenza in the future.
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KEYWORD
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Novel Influenza, Pig, Epidemiology
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