# Prospective System Analysis of the Seasonal Influenza Virus Transmissions and Evolution in the City of Basel Basel

> **NCT03451656** · — · COMPLETED · sponsor: **University Hospital, Basel, Switzerland** · enrollment: 4000 (actual)

## Conditions studied

- Influenza

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03451656
- **Lead sponsor:** University Hospital, Basel, Switzerland
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-12-27
- **Primary completion:** 2017-04-30
- **Final completion:** 2017-04-30
- **Target enrollment:** 4000 (ACTUAL)
- **Last updated:** 2023-03-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03451656

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03451656, "Prospective System Analysis of the Seasonal Influenza Virus Transmissions and Evolution in the City of Basel Basel". Retrieved via AI Analytics 2026-06-11 from https://api.ai-analytics.org/clinical/NCT03451656. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
