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Recombinant Canine Coronaviruses in Dogs, Europe

机译：欧洲犬中的重组犬冠状病毒

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Coronaviruses of potential recombinant origin with por-cine transmissible gastroenteritis virus (TGEV), referred to as a new subtype (IIb) of canine coronavirus (CCoV), were recently identifi ed in dogs in Europe. To assess the distri-bution of the TGEV-like CCoV subtype, during 2001–2008 we tested fecal samples from dogs with gastroenteritis. Of 1,172 samples, 493 (42.06%) were positive for CCoV. CCoV-II was found in 218 samples, and CCoV-I and CCoV-II genotypes were found in 182. Approximately 20% of the samples with CCoV-II had the TGEV-like subtype; detec-tion rates varied according to geographic origin. The highest and lowest rates of prevalence for CCoV-II infection were found in samples from Hungary and Greece (96.87% and 3.45%, respectively). Sequence and phylogenetic analyses showed that the CCoV-IIb strains were related to prototype TGEV-like strains in the 5′ and the 3′ ends of the spike pro-tein gene
机译：最近在欧洲的犬只中发现了带有猪传染性胃肠炎病毒（TGEV）的潜在重组来源冠状病毒，被称为犬冠状病毒（CCoV）的新亚型（IIb）。为了评估类似TGEV的CCoV亚型的分布，我们在2001-2008年间对肠胃炎犬的粪便样本进行了测试。在1,172个样本中，有493个（42.06％）的CCoV呈阳性。在218个样本中发现了CCoV-II，在182个样本中发现了CCoV-I和CCoV-II基因型。大约有20％的具有CCoV-II的样本具有TGEV样亚型。检测率根据地理来源而变化。在匈牙利和希​​腊的样本中发现CCoV-II感染的最高和最低发生率（分别为96.87％和3.45％）。序列和系统发育分析表明，CCoV-IIb菌株与穗蛋白基因5'和3'端的TGEV样菌株有关。

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