---
title: "Cardiomyopathy Caused by Coxsackievirus Strain A9 in Previously Healthy Child, Northeastern France, 2024"
id: "cdc-emerging-infectious-diseases-journal-5-cardiomyopathy-caused-by-coxsackievirus-strain-a9-in-previously-healthy-child-northeastern-france-2024"
canonical_url: "https://medichelpline.com/clinical-feed/cdc-emerging-infectious-diseases-journal-5-cardiomyopathy-caused-by-coxsackievirus-strain-a9-in-previously-healthy-child-northeastern-france-2024"
content_type: "clinical_feed_article"
specialty: "Infectious Disease"
source_name: "CDC Emerging Infectious Diseases Journal"
source_url: "https://wwwnc.cdc.gov/eid/article/32/4/25-1574_article"
published_at: "2026-04-10T04:00:00.000Z"
evidence_level: "Agency Feed"
license: "CC-BY-NC-4.0 / Informational Use"
---
# Cardiomyopathy Caused by Coxsackievirus Strain A9 in Previously Healthy Child, Northeastern France, 2024
## Provenance & Clinical Metadata
- **Canonical URL:** https://medichelpline.com/clinical-feed/cdc-emerging-infectious-diseases-journal-5-cardiomyopathy-caused-by-coxsackievirus-strain-a9-in-previously-healthy-child-northeastern-france-2024
- **Specialty:** [Infectious Disease](https://medichelpline.com/clinical-feed/infectious-disease.md)
- **Primary Source:** CDC Emerging Infectious Diseases Journal
- **Source URL:** [Original Journal Publication](https://wwwnc.cdc.gov/eid/article/32/4/25-1574_article)
- **Published At:** 2026-04-10T04:00:00.000Z
- **Evidence Rating:** Agency Feed
## Executive GIST (TL;DR)
Disclaimer: Early release articles are not considered as final versions. Any changes will be reflected in the online version in the month the article is officially released. We characterized a recombinant mosaic coxsackievirus A9 strain responsible for severe inflammatory cardiomyopathy in a previously healthy child in northeastern France in 2024 by using whole-genome sequencing. This case highlights that enterovirus species other than coxsackievirus strain B3 can cause cardiomyopathy in otherwise healthy pediatric patients. Coxsackievirus strain A9 (CVA9) is a human pathogen classified within the species Enterovirus betacoxsackievirus (species B enterovirus [EV-B]). Infections linked to CVA9 show up in children, typically hand, foot, and mouth disease or episodes of aseptic meningitis ( 1 ). Epidemiologic tracking points to CVA9 as a frequent nonpolio enterovirus found in patient samples worldwide ( 1 ). During a 5-year survey in Europe from 2018–2023, this virus appeared among the 10 most documented enterovirus strains in clinical samples ( 2 ).
## Clinical Analysis & Structured Key Points
CDC Emerging Infectious Diseases Journal published a clinical update in Infectious Disease on 10 Apr 2026. The item focuses on Cardiomyopathy Caused by Coxsackievirus Strain A9 in Previously Healthy Child, Northeastern France, 2024. Review the original article for the full source wording and details.
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