Simultaneous detection of human bocavirus and adenovirus by multiplex real-time PCR in a Belgian paediatric population.
Since the discovery of human bocavirus (hBoV), the virus has been detected worldwide in respiratory tract samples from young children by various polymerase chain reaction (PCR) assays and real-time PCRs (Q-PCR). Until now, no data have been reported on the presence of hBoV in Belgium and the detection of hBoV in a multiplex Q-PCR setting has not been described. The aim of this study was to develop a fast and reliable multiplex Q-PCR for the simultaneous detection of hBoV DNA and adenovirus (AdV) DNA. During the winter of 2004-2005, 445 nasopharyngeal aspirates (NPAs) were analysed from 404 Belgian children up to 5 years old with acute respiratory tract infections (ARTIs). (Co)infections with hBoV, AdV, respiratory syncytial virus (RSV), human metapneumovirus (hMPV) and influenza A virus were investigated. A viral agent was detected in 61% (n = 272/445) of the NPAs. Multiplex Q-PCR found a prevalence of 11% (n = 51/445) hBoV and 13% (n = 58/445) AdV. Coinfections were more frequently found with AdV (62%; n = 36/58) than with hBoV (49%; n = 25/51). Follow-up samples were available from 22 patients with ARTIs. In three patients, hBoV DNA persisted for one month. Multiplex Q-PCR may help in closing the diagnostic gap by addressing a broader range of potential respiratory pathogens.
De Vos
N
N
Laboratory of Clinical Biology, Department of Microbiology and Molecular Biology, Onze Lieve Vrouw (OLV) Hospital, Moorselbaan 164, 9300, Aalst, Belgium.
Vankeerberghen
A
A
Vaeyens
F
F
Van Vaerenbergh
K
K
Boel
A
A
De Beenhouwer
H
H
D000257:Adenoviridae Infections / Q000175:diagnosis* / Q000453:epidemiology*; D000260:Adenoviruses, Human / Q000235:genetics / Q000302:isolation & purification*; D000454:Aleutian Mink Disease Virus / Q000302:isolation & purification; D001530:Belgium / Q000453:epidemiology; D002675:Child, Preschool; D019411:Clinical Laboratory Techniques / Q000379:methods; D015897:Comorbidity; D004279:DNA, Viral / Q000235:genetics / Q000302:isolation & purification; D056661:Human bocavirus / Q000235:genetics / Q000302:isolation & purification*; D006801:Humans; D007223:Infant; D009980:Influenza A virus / Q000302:isolation & purification; D008297:Male; D029121:Metapneumovirus / Q000302:isolation & purification; D009305:Nasopharynx / Q000821:virology; D010322:Parvoviridae Infections / Q000175:diagnosis* / Q000453:epidemiology*; D016133:Polymerase Chain Reaction / Q000379:methods*; D015995:Prevalence; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification; D012141:Respiratory Tract Infections / Q000821:virology; D012680:Sensitivity and Specificity; D013997:Time Factors
D004279:DNA, Viral
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