Asymptomatic ratio for seasonal H1N1 influenza infection among schoolchildren in Taiwan

Ying Hen Hsieh, Chen An Tsai, Chien Yu Lin, Jin Hua Chen, Chwan Chuen King, Day Yu Chao, Kuang Fu Cheng

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


Background: Studies indicate that asymptomatic infections do indeed occur frequently for both seasonal and pandemic influenza, accounting for about one-third of influenza infections. Studies carried out during the 2009 pH1N1 pandemic have found significant antibody response against seasonal H1N1 and H3N2 vaccine strains in schoolchildren receiving only pandemic H1N1 monovalent vaccine, yet reported either no symptoms or only mild symptoms.Methods: Serum samples of 255 schoolchildren, who had not received vaccination and had pre-season HI Ab serotiters

Original languageEnglish
Article number80
JournalBMC Infectious Diseases
Issue number1
Publication statusPublished - Feb 12 2014


  • Asymptomatic infection
  • Asymptomatic ratio
  • H1N1
  • Seasonal influenza
  • Symptoms
  • Taiwan

ASJC Scopus subject areas

  • Infectious Diseases
  • Medicine(all)

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