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WU polyomavirus infection among children in South China

Wan-Li Zhuang1, Xue-Dong Lu, Guang-Yu Lin

  • 1Department of Pediatrics, Shantou University Medical College, Shantou, Guangdong, China.

Journal of Medical Virology
|June 17, 2011
PubMed

Insights

WU polyomavirus (WUPyV) causes respiratory infections in children. This study found WUPyV in 2% of young patients with acute respiratory tract infections in Southern China, sometimes leading to severe symptoms and complications.

Area of Science:

  • Pediatric Infectious Diseases
  • Virology
  • Respiratory Medicine

Background:

  • WU polyomavirus (WUPyV) is a known human polyomavirus, but its role in pediatric respiratory infections requires further investigation.
  • Understanding the prevalence and clinical spectrum of WUPyV in children is crucial for accurate diagnosis and management of respiratory illnesses.

Purpose of the Study:

  • To determine the prevalence of WU polyomavirus (WUPyV) in children with acute respiratory tract infections in Southern China.
  • To describe the clinical characteristics and co-infection patterns associated with WUPyV in pediatric patients.

Main Methods:

  • Nasopharyngeal aspirate samples were collected from 771 children with acute respiratory tract infections and 82 healthy children.
  • WU polyomavirus (WUPyV) detection was performed using polymerase chain reaction (PCR) and DNA sequencing.
  • WUPyV-positive specimens were further tested for common respiratory viruses using PCR or real-time (RT)-PCR.

Main Results:

  • WU polyomavirus (WUPyV) was detected in 2% (15/771) of children with acute respiratory tract infections; none were found in healthy controls.
  • WUPyV-infected children (2-48 months) presented with cough, fever, and wheezing, diagnosed with pneumonia, bronchiolitis, upper respiratory tract infections, or bronchitis.
  • Four patients had WUPyV co-infection with respiratory syncytial virus (RSV), and one each with adenovirus or rhinovirus. One patient developed encephalitis.

Conclusions:

  • WU polyomavirus (WUPyV) is a causative agent of acute respiratory tract infections in children in Southern China.
  • WUPyV infections can present with atypical symptoms and lead to severe complications, including encephalitis, in pediatric populations.

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