Differences in viral load among human respiratory syncytial virus genotypes in hospitalized children with severe acute respiratory infections in the Philippines

Francois Marie Ngako Kadji, Michiko Okamoto, Yuki Furuse, Raita Tamaki, Akira Suzuki, Irene Lirio, Clyde Dapat, Rungnapa Malasao, Mariko Saito, Gay Anne Granada Pedrera-Rico, Veronica Tallo, Socorro Lupisan, Mayuko Saito, Hitoshi Oshitani

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Background: Human respiratory syncytial virus (HRSV) is a leading viral etiologic agent of pediatric lower respiratory infections, including bronchiolitis and pneumonia. Two antigenic subgroups, HRSV-A and B, each contain several genotypes. While viral load may vary among HRSV genotypes and affect the clinical course of disease, data are scarce regarding the actual differences among genotypes. Therefore, this study estimated and compared viral load among NA1 and ON1 genotypes of HRSV-A and BA9 of HRSV-B. ON1 is a newly emerged genotype with a 72-nucleotide duplication in the G gene as observed previously with BA genotypes in HRSV-B. Findings: Children

Original languageEnglish (US)
Article number565
JournalVirology Journal
Issue number1
StatePublished - Jun 27 2016
Externally publishedYes


  • Children
  • Genotype
  • Pneumonia
  • Respiratory syncytial virus
  • Viral load

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this