Influenza C virus surveillance during the first influenza A (H1N1) 2009 pandemic wave in Catalonia, Spain

Antón, Andrés; Marcos, María Ángeles; Codoñer, Francisco M.; Molina, P.; Martínez, A.; Cardeñosa, Neus; Godoy, Pere; Torner, Núria; Martínez, Miguel J.; Ramón, Susana Sánchez; Tudó, Griselda; Isanta, Ricard; Gonzalo, Verónica; Anta, M. T. Jiménez de; Pumarola, Tomás

doi:10.1016/j.diagmicrobio.2010.11.006

Cited by 31 publications

(34 citation statements)

References 34 publications

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“…In contrast, seven strains (0.38%) of influenza C virus were isolated from children with ARI in Japan. The detection rates, which were similar in the Philippines and Japan, are also in agreement with those of other studies, which reported positive rates from 0.18 to 0.79% (1,11,13,38). In the Philippines, although the overall influenza C virus detection rate was low, the detection rate in pediatric severe pneumonia cases (0.22%) was not significantly different than that in ILI cases (0.36%).…”

Section: Discussionsupporting

confidence: 90%

“…The monitoring of influenza C virus among children in the Yamagata and Miyagi Prefectures in Japan since 1988 has revealed that outbreaks of influenza C virus occur in winter or early summer at 1-or 2-year intervals (8)(9)(10). Influenza C virus infections, detected using molecular detection methods, have recently been reported in several countries, including Spain, France, Cuba, Canada, Italy, India, and Finland (7,(11)(12)(13)(14)(15)(16). A serological study conducted in the Philippines in 1984 indicated the existence of influenza C viruses, but the viruses themselves were not detected.…”

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confidence: 99%

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Isolation and Characterization of Influenza C Viruses in the Philippines and Japan

et al. 2015

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in the Philippines, 15 influenza C viruses were isolated, using MDCK cells, from specimens obtained from children with severe pneumonia and influenza-like illness (ILI). This is the first report of influenza C virus isolation in the Philippines. In addition, from January 2008 to December 2013, 7 influenza C viruses were isolated from specimens that were obtained from children with acute respiratory illness (ARI) in Sendai city, Japan. Antigenic analysis with monoclonal antibodies to the hemagglutinin-esterase (HE) glycoprotein showed that 19 strains (12 from the Philippines and 7 from Japan) were similar to the influenza C virus reference strain C/Sao Paulo/378/82 (SP82). Phylogenetic analysis of the HE gene showed that the strains from the Philippines and Japan formed distinct clusters within an SP82-related lineage. The clusters that included the Philippine and Japanese strains were shown to have diverged from a common ancestor around 1993. In addition, phylogenetic analysis of the internal genes showed that all strains isolated in the Philippines and Japan had emerged through reassortment events. The composition of the internal genes of the Philippine strains was different from that of the Japanese strains, although all strains were classified into an SP82-related lineage by HE gene sequence analysis. These observations suggest that the influenza C viruses analyzed here had emerged through different reassortment events; however, the time and place at which the reassortment events occurred were not determined.

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Section: Discussionsupporting

confidence: 90%

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confidence: 99%

Isolation and Characterization of Influenza C Viruses in the Philippines and Japan

et al. 2015

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“…During the 2009 Australian winter season, there was co-circulation of the new influenza A H1N1 and influenza A H3N2 viruses, while seasonal influenza A H1N1 and influenza B viruses were uncommon 22 . In Spain, the new influenza A H1N1 co-circulated with influenza C 23 .…”

Section: Discussionmentioning

confidence: 99%

The epidemic wave of influenza A (H1N1) in Brazil, 2009

et al. 2012

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“…[1][2][3] More than 80% of humans acquire antibodies to the virus by the age of 7-10 years, which suggests that influenza C virus infection is common during childhood. [4][5][6] Recently, studies on influenza C virus infection were reported from Spain, 7,8 France, 9 Cuba 10 and Nigeria. 11 Their method of detection of influenza C virus used molecular techniques.…”

Section: Introductionmentioning

confidence: 98%

Detection and quantification of influenza C virus in pediatric respiratory specimens by real-time PCR and comparison with infectious viral counts

Matsuzaki

Ikeda

Abiko

et al. 2012

Journal of Clinical Virology

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Influenza C virus surveillance during the first influenza A (H1N1) 2009 pandemic wave in Catalonia, Spain

Cited by 31 publications

References 34 publications

Isolation and Characterization of Influenza C Viruses in the Philippines and Japan

Isolation and Characterization of Influenza C Viruses in the Philippines and Japan

The epidemic wave of influenza A (H1N1) in Brazil, 2009

Detection and quantification of influenza C virus in pediatric respiratory specimens by real-time PCR and comparison with infectious viral counts

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