deltatrials
Completed OBSERVATIONAL NCT05294003

West Nile Virus Seroprevalence Under Bird Ringers

Prevalence of West Nile Virus and Usutu Virus Serum Antibodies in Dutch Bird Ringers

Sponsor: Erasmus Medical Center

Updated 3 times since 2022 Last updated: Mar 14, 2022 Started: May 28, 2021 Primary completion: Sep 22, 2021 Completion: Dec 14, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT05294003, this observational or N/A phase trial focuses on West Nile Virus and remains completed. Sponsored by Erasmus Medical Center, it has been updated 3 times since 2021, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Apr 2022 – ~Jul 2024 · 27 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – present · 21 months · monthly snapshotCompleted

Change History

3 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Apr 2022 — Jul 2024 [monthly]

    Completed

    First recorded

May 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Erasmus Medical Center
  • Leiden University
  • Leiden University Medical Center
  • Netherlands Institute of Ecology
  • UMC Utrecht
Data source: Leiden University Medical Center

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations