An Epidemiological Investigation on the Correct Wearing of Face Mask
An Epidemiological Investigation on the Prevention of Respiratory Infectious Diseases by Wearing Mask Correctly
Sponsor: Fuwai Yunnan Cardiovascular Hospital
Listed as NCT04474028, this observational or N/A phase trial focuses on Respiratory Infectious Diseases and remains completed. Sponsored by Fuwai Yunnan Cardiovascular Hospital, it has been updated 6 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Status Flow
Change History
6 versions recorded-
Sep 2024 — Present [monthly]
Completed
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Jul 2024 — Sep 2024 [monthly]
Completed
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Jan 2021 — Jul 2024 [monthly]
Completed
-
Dec 2020 — Jan 2021 [monthly]
Completed
Status: Recruiting → Completed
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Sep 2020 — Dec 2020 [monthly]
Recruiting
▶ Show 1 earlier version
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Aug 2020 — Sep 2020 [monthly]
Recruiting
First recorded
Jun 2020
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Fuwai Yunnan Cardiovascular Hospital
For direct contact, visit the study record on ClinicalTrials.gov .