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. 2023 Jan;95(1):e28415.
doi: 10.1002/jmv.28415.

High detection rate of viral pathogens in nasal discharge in children aged 0 till 5 years

Elandri Fourie  1 , Yara E E Sijm  1 , Paul Badoux  2 , Marieke E Mérelle  3 , Mildred E Haverkort  4 , Sjoerd M Euser  2 , Marlies A van Houten  1   3
Affiliations

High detection rate of viral pathogens in nasal discharge in children aged 0 till 5 years

Elandri Fourie et al. J Med Virol. 2023 Jan.

Abstract

Respiratory tract infections (RTI) in children remain a cause of disease burden worldwide. Nasopharyngeal (NP) & oropharyngeal (OP) swabs are used for respiratory pathogen detection, but hold disadvantages particularly for children, highlighting the importance and preference for a child friendly detection method. We aimed to evaluate the performance and tolerability of a rhinorrhea swab (RS) in detecting viral pathogens when compared to a combined OP(/NP) or mid-turbinate (MT) nasal swab. This study was conducted between September 2021 and July 2022 in the Netherlands. Children aged 0-5 years, with an upper RTI and nasal discharge, were included and received a combined swab and a RS. Multiplex polymerase chain reaction (PCR) and severe acute respiratory syndrome coronavirus-2 PCR were used for viral pathogen detection. Tolerability was evaluated with a questionnaire and visual analog scale (VAS) scores. During 11 months 88 children were included, with a median age of 1.00 year [interquartile range 0.00-3.00]. In total 122 viral pathogens were detected in 81 children (92%). Sensitivity and specificity of the RS compared to a combined swab were respectively 97% (95% confidence interval [CI] 91%-100%) and 78% (95% CI 45%-94%). Rhinorrhea samples detected more pathogens than the (combined) nasal samples, 112 versus 108 respectively. Median VAS scores were significantly lower for the RS in both children (2 vs. 6) and their parents (0 vs. 5). A RS can therefore just as effectively/reliably detect viral pathogens as the combined swab in young children and is better tolerated by both children and their parents/caregivers.

Keywords: diagnostics; nasal discharge; pediatrics; respiratory pathogens; upper respiratory tract infection.

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References

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