A cross-sectional study of enterovirus nucleic acid test with throat swabs for term late neonates during coronavirus disease 2019

SHI Ming-Rui; XU Hai-Dong; WANG Hong; HEI Ming-Yan

doi:10.7499/j.issn.1008-8830.2212023

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Chinese Journal of Contemporary Pediatrics ›› 2023, Vol. 25 ›› Issue (4) : 339-343. DOI: 10.7499/j.issn.1008-8830.2212023

TOPIC OF EPIDEMIC PREVENTION AND CONTROL

A cross-sectional study of enterovirus nucleic acid test with throat swabs for term late neonates during coronavirus disease 2019

SHI Ming-Rui, XU Hai-Dong, WANG Hong, HEI Ming-Yan

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Abstract

Objective To investigate the positive rate of enterovirus (EV) nucleic acid in throat swabs of term late neonates hospitalized during the coronavirus disease 2019 (COVID-19) epidemic and the clinical characteristics of the neonates. Methods A single-center cross-sectional study was performed on 611 term late infants who were hospitalized in the neonatal center from October 2020 to September 2021. Throat swabs were collected on admission for coxsackie A16 virus/EV71/EV universal nucleic acid testing. According to the results of EV nucleic acid test, the infants were divided into a positive EV nucleic acid group (8 infants) and a negative EV nucleic acid group (603 infants). Clinical features were compared between the two groups. Results Among the 611 neonates, 8 tested positive for EV nucleic acid, with a positive rate of 13.1‰, among whom 7 were admitted from May to October. There was a significant difference in the proportion of infants contacting family members with respiratory infection symptoms before disease onset between the positive and negative EV nucleic acid groups (75.0% vs 10.9%, P<0.001). There were no significant differences between the two groups in demographic data, clinical symptoms, and laboratory test results (P>0.05). Conclusions There is a certain proportion of term late infants testing positive for EV nucleic acid in throat swabs during the COVID-19 epidemic, but the proportion is low. The clinical manifestations and laboratory test results of these infants are non-specific. Transmission among family members might be an important cause of neonatal EV infection. Citation:Chinese Journal of Contemporary Pediatrics, 2023, 25(4): 339-343

Key words

Enterovirus / Nucleic acid / Throat swab / Term / Late neonate

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SHI Ming-Rui, XU Hai-Dong, WANG Hong, HEI Ming-Yan. A cross-sectional study of enterovirus nucleic acid test with throat swabs for term late neonates during coronavirus disease 2019[J]. Chinese Journal of Contemporary Pediatrics. 2023, 25(4): 339-343 https://doi.org/10.7499/j.issn.1008-8830.2212023

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