Molecular analyses of H3N2 canine influenza viruses isolated from Korea during 2013–2014

Lee, Eunjung; Kim, Eunju; Kim, Bo-Hye; Song, Jae‐Young; Cho, In‐Soo; Shin, Yeun-Kyung

doi:10.1007/s11262-015-1274-x

Cited by 11 publications

(10 citation statements)

References 64 publications

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“…Dogs infected with H3N2 CIV exhibited respiratory influenza-like symptoms, shed virus through nasal discharge, and the virus was readily transmitted between dogs via direct contact [5] causing several outbreaks throughout the United States [4,6]. This H3N2 CIV is avian in origin [2,[4][5][6][7][8][9] but prior to 2015, a separate CIV strain derived from equine H3N8 influenza viruses, circulated in the United States [10].…”

Section: Plos Pathogensmentioning

confidence: 99%

Characterizing Emerging Canine H3 Influenza Viruses

et al. 2020

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Section: Plos Pathogensmentioning

confidence: 99%

Characterizing Emerging Canine H3 Influenza Viruses

et al. 2020

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“…Avian H3N2 CIV was first identified in dogs in southern China in 2006 [2], and the following year, three H3N2 strains were isolated from dogs with severe respiratory disease in Korea [3]. Since then, H3N2 CIVs have been isolated from nasal swabs of dogs experiencing respiratory clinical signs in several regions of China and South Korea [4–8]. In addition, H3N2 CIV has been transmitted to the United States, and was first isolated in the February–March 2015 outbreak in Chicago [9].…”

Section: Introductionmentioning

confidence: 99%

H3N2 canine influenza virus and Enterococcus faecalis coinfection in dogs in China

et al. 2019

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Background In May 2017, 17 dogs in a German Shepherd breeding kennel in northern China developed respiratory clinical signs. The owner treated the dogs with an intravenous injection of Shuang-Huang-lian, a traditional Chinese medicine, and azithromycin. The respiratory signs improved 3 days post-treatment, however, cysts were observed in the necks of eight dogs, and three of them died in the following 2 days. Case presentation Quantitative real-time PCR was used to detect canine influenza virus (CIV). All of the dogs in this kennel were positive and the remaining 14 dogs had seroconverted. Two of the dogs were taken to the China Agricultural University Veterinary Teaching Hospital for further examination. Two strains of influenza virus (A/canine/Beijing/0512–133/2017 and A/canine/Beijing/0512–137/2017) isolated from the nasal swabs of these dogs were sequenced and identified as avian-origin H3N2 CIV. For the two dogs admitted to the hospital, hematology showed mild inflammation and radiograph results indicated pneumonia. Cyst fluid was plated for bacterial culture and bacterial 16 s rRNA gene PCR was performed, followed by Sanger sequencing. The results indicated an Enterococcus faecalis infection. Antimicrobial susceptibility tests were performed and dogs were treated with enrofloxacin. All 14 remaining dogs recovered within 16 days. Conclusions Coinfection of H3N2 CIV and Enterococcus faecalis was detected in dogs, which has not been reported previously. Our results highlight that CIV infection might promote the secondary infection of opportunistic bacteria and cause more severe and complicated clinical outcomes.

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“…CIV H3N2 was first isolated in 2006 from Guangdong Province, China, and found to be genetically most closely related to H3N2 avian influenza viruses prevalent in aquatic birds in South Korea ( 5 ). Since 2006, H3N2 CIV has rapidly become prevalent in China and South Korea ( 6 , 7 ) and has also been isolated in Thailand and the United States ( 8 , 9 ).…”

mentioning

confidence: 99%