Nosocomial infection by human bocavirus and human rhinovirus among paediatric patients with respiratory risks

H. Kobayashi, M. Shinjoh, K. Sudo, S. Kato, Miyuki Morozumi, Goro Koinuma, T. Takahashi, Y. Takano, Y. Tamura, N. Hasegawa

研究成果: Article

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Background: Nosocomial infections by respiratory viruses undetected by rapid tests are not often diagnosed. For paediatric patients with background diseases, nosocomial infection could be fatal. Aim: To determine the relationship between developing symptoms by respiratory viruses undetectable by rapid tests and respiratory risks and to improve the management of infection control. Methods: Two episodes of nosocomial infection by human bocavirus (HBoV) and human rhinovirus (HRV) were retrospectively investigated in a tertiary hospital paediatric ward in Japan. Viruses were identified by polymerase chain reaction to determine infection control management. When viruses of the same species were detected from different patients, the virus homology was investigated. The relationship between respiratory risks and developing symptoms was statistically investigated. Findings: Three and four patients with respiratory risks in the HBoV and HRV outbreaks, respectively, developed respiratory symptoms. The nucleotide sequences of two patients in the HBoV outbreak and all four patients in the HRV outbreak were phylogenetically close. In both outbreaks, the patients with respiratory risks developed significantly more symptoms than those without any risk (P = 0.035 and 0.018, respectively). After the patients with respiratory infection were separated from those with respiratory risks, no additional nosocomial infection occurred. Conclusion: Patients with respiratory risks easily develop respiratory symptoms and acquire severe symptoms of nosocomial infection by those viruses. In a paediatric ward, we should adopt not only standard precautions but also isolation management of the patients with respiratory symptoms, even if they have negative results in rapid tests.

元の言語English
ジャーナルJournal of Hospital Infection
DOI
出版物ステータスPublished - 2019 1 1

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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