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Enterovirus D68 circulation between 2014 and 2022 in Slovenian children [Elektronski vir]Uršič, Tina, 1980- ...Introduction: Enterovirus D68 (EV-D68) belongs to the Picornaviridae family, genus Enterovirus. It is mostly known as a respiratory virus causing upper and lower respiratory tract infections, but it ... is also rarely associated with a variety of central nervous system complications, with acute flaccid myelitis being reported most frequently. This study assesses the incidence, seasonality, clinical presentation, and molecular epidemiology of the EV-D68 strain in EV-positive children hospitalized between 2014 and 2022 at the largest pediatric medical center in Slovenia. Methods: EV-D68 was detected using specific qRT-PCR, whereas partial VP1 sequences were obtained with Sanger sequencing, and further analyzed using the software CLC Main Workbench version 7 and MEGA version X. Results: EV-D68 was detected in 154 out of 1,145 (13.4%) EV-positive children. In the two epidemic years, 2014 and 2016, EV-D68 was most frequently detected in the summer and early autumn, peaking in September. The median age of EV-D68–infected children was 3 years (IQR 1–3 years), with a female: male ratio of 1:1.17. Rhinorrhea was present in 74.0% of children, respiratory distress in 82.5%, and hypoxemia requiring supplemental oxygen in 44.1%. Out of 154 patients, 80.0% were hospitalized, with a median stay of 2 days (IQR 1–3 days). Lower respiratory tract infection was observed in 89.0% of EV-D68–positive patients, with bronchitis and bronchiolitis being most frequently diagnosed. No central nervous system manifestations of EV-D68 infection were observed in the study cohort. Phylogenetic analysis of partial VP1 sequences of EV-D68 revealed close similarity to the EV-D68 variants that were circulating in other European countries in these years. Discussion: Slovenia faced two EV-D68 epidemics in 2014 and 2016; however, after 2016 only nine more cases were detected until the end of the study period. Based on the results of this study, EV-D68 was a frequent cause of lower respiratory tract infection among EV-positive patients. However, none of the patients we studied needed ICU treatment, and none developed acute flaccid paralysis. Our results indicate that EV-D68 is not present constantly, so additional monitoring studies should be conducted in the future to better understand the implications of this EV type in human disease.Source: Frontiers in virology. - ISSN 2673-818X (Vol. 4, Jan. 2024, Str. 1-11)Type of material - e-articlePublish date - 2024Language - englishCOBISS.SI-ID - 183095299
Author
Uršič, Tina, 1980- |
Jevšnik Virant, Monika |
Kogoj, Rok |
Krivec, Uroš, 1975- |
Prusnik, Joanna |
Mramor, Minca |
Lovšin, Sara |
Petrovec, Miroslav
Topics
virologija |
enterovirusi |
kroženje virusov |
pojavnost
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Uršič, Tina, 1980- | 25433 |
Jevšnik Virant, Monika | 29997 |
Kogoj, Rok | 29937 |
Krivec, Uroš, 1975- | 37386 |
Prusnik, Joanna | |
Mramor, Minca | 25792 |
Lovšin, Sara | |
Petrovec, Miroslav | 15902 |
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