Working…
COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC: https://www.coronavirus.gov.

Get the latest research information from NIH: https://www.nih.gov/coronavirus.
ClinicalTrials.gov

Key Record Dates

ClinicalTrials.gov Identifier: NCT04296643
Brief Title: Medical Masks vs N95 Respirators for COVID-19

First Submitted : March 3, 2020
First Submitted that Met QC Criteria : March 3, 2020
First Posted : March 5, 2020

Last Update Submitted that Met QC Criteria : March 3, 2020
Last Update Posted : March 5, 2020