Virus interactions in hospitalized patients during winter seasons in Lyon

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study analyzes routine diagnostic virology results from patients admitted to Hospices Civils de Lyon during winter seasons from 2022 to 2025. It aims to describe how common co-detections or mutual exclusions occur among respiratory viruses and how these patterns relate to disease severity. The approach combines epidemiology, clinical observations, and in vitro findings to explore population-level virus–virus interactions and their potential impact on patient outcomes. The study uses data from routine care samples without experimental interventions. Results may help inform understanding of viral dynamics and guide public health insights for respiratory infections.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* \- Any virological result (positive or negative) following a biological sample taken as part of routine care within the HCLs for the purpose of diagnosing a respiratory infection in a hospitalised patient.
* Patients of any age
* Samples taken during the winter periods between 2022 and 2025.

Exclusion Criteria:

* na

Where it's running

• Infective Agents Institute, Croix rousse Hospital
  Lyon, Rhone, France Recruiting

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.