Detection of human bocavirus in Canadian children in a 1-year study

Area of Science:

• Pediatric Respiratory Infections
• Virology
• Molecular Diagnostics

Background:

• Human bocavirus (HBoV) is a recently identified DNA virus.
• HBoV is increasingly recognized as a cause of respiratory illness in children worldwide.
• Limited data exists on the prevalence and clinical spectrum of HBoV in Canadian pediatric populations.

Purpose of the Study:

• To determine the prevalence of human bocavirus in respiratory specimens from children.
• To describe the clinical characteristics of children infected with human bocavirus.
• To investigate the association between human bocavirus and specific respiratory conditions.

Main Methods:

• Respiratory specimens were collected from pediatric patients (<17 years) at Stollery Children's Hospital between 2002 and 2003.
• Polymerase chain reaction (PCR) was used to detect human bocavirus DNA in the collected specimens.
• Clinical data, including symptoms and diagnoses, were reviewed for positive cases.

Main Results:

• Human bocavirus was detected in 65 (5.1%) of 1,265 respiratory specimens.
• The virus was identified in children presenting with a range of respiratory illnesses.
• Commonly observed symptoms in HBoV-positive children included cough and fever.

Conclusions:

• Human bocavirus is a prevalent pathogen in pediatric respiratory infections.
• HBoV infection presents with a spectrum of illness, including upper respiratory tract infections, croup, bronchiolitis, and pneumonia.
• Further research is warranted to understand the full clinical impact and epidemiology of HBoV in children.