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Swine influenza A virus (SIV) is zoonotic pathogen that can be acquired by food-borne transmission because food animals, for example pigs, are recognized as a reservoir. The objectives of this study were to determine the seroprevalence of anti-SIV (H1N1 and H3N2) in Tibetan pigs in Tibet Nationality Autonomous Region, China, a region with cold weather and high altitude. A total of 421 serum samples...
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