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Case Reports
. 2024 Dec;52(6):2501-2506.
doi: 10.1007/s15010-024-02315-9. Epub 2024 Aug 16.

Disseminated Echovirus 11 infection in a newborn in the Province of Bolzano, Italy

Irene Bianconi  1 , Laura Battisti  2 , Alex Staffler  3 , Elisabetta Giacobazzi  4 , Elisa Masi  4 , Elisabetta Incrocci  4 , Marion Bellutti  2 , Stefano Fontana  5 , Paola Stefanelli  5 , Gabriele Buttinelli  5 , Elisabetta Pagani  4
Affiliations
Case Reports

Disseminated Echovirus 11 infection in a newborn in the Province of Bolzano, Italy

Irene Bianconi et al. Infection. 2024 Dec.

Abstract

Purpose: Recently, cases of serious illness in newborns infected with Echovirus 11 have been reported in Europe, including Italy. Here, we report the case of a newborn diagnosed with disseminated Echovirus 11 infection, which occurred in October 2023 in the Province of Bolzano, Italy.

Methods: A molecular screening, by Real-Time RT-PCR, was employed to analyse the cerebrospinal fluid, blood and stool samples, and nasal swabs. The entire viral genome was sequenced using both Illumina and Nanopore technologies.

Results: The patient was admitted to hospital due to fever. Molecular testing revealed the presence of enterovirus RNA. Typing confirmed the presence of Echovirus 11. The patient was initially treated with antibiotic therapy and, following the diagnosis of enterovirus infection, also with human immunoglobulins. Over the following days, the patient remained afebrile, with decreasing inflammation indices and in excellent general condition. Genomic and phylogenetic characterization suggested that the strain was similar to strains from severe cases reported in Europe.

Conclusions: Despite the low overall risk for the neonatal population in Europe, recent cases of Echovirus 11 have highlighted the importance of surveillance and complete genome sequencing is fundamental to understanding the phylogenetic relationships of Echovirus 11 variants.

Keywords: Echovirus 11; Illumina; Nanopore; Newborn; Non-polio Enteroviruses; Phylogeny; WGS.

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Conflict of interest statement

Declarations. Consent to participate and consent to publish: Both parents of the newborn consented to participate in this study and to have the related data published. Both parents signed a written informed consent. Conflict of interest: The authors have no conflict of interest to declare.

Figures

Fig. 1
Fig. 1
Timeline of clinical and diagnostics events
Fig. 2
Fig. 2
Phylogenetic relationships between the complete genomes of Echovirus 11
See this image and copyright information in PMC

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