Surveillance of influenza virus B circulation in Northern Italy: summer-fall 2008 isolation of three strains and phylogenetic analysis

Giuseppe Gerna, Elena Percivalle, Antonio Piralla, Vanina Rognoni, Antonietta Marchi, Fausto Baldanti

Research output: Contribution to journalArticle

Abstract

Influenza virus type B strains were unexpectedly detected and isolated in Italy during summer-fall 2008 from three patients travelling to Italy from Lebanon, Senegal and Uzbekistan. The three summer-fall strains matched to a high degree the hemagglutinin (HAl) of influenza virus type B strains circulating in Italy in the second part (January through April) of the 2007/2008 season, and HAl of the type B strains included in the 2008/2009 vaccine (B/Yamagata/16/88 lineage). Surveillance of influenza virus circulation in Western countries also during the summerfall season may help to trace and anticipate the appearance of new influenza virus variants.

Original languageEnglish
Pages (from-to)405-410
Number of pages6
JournalNew Microbiologica
Volume32
Issue number4
Publication statusPublished - Oct 2009

Keywords

  • Hemagglutinin
  • Influenza virus b
  • Phylogenetic analysis
  • Real-time rt-pcr
  • Respiratory viruses
  • Vaccines

ASJC Scopus subject areas

  • Microbiology (medical)

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