Effectiveness and Adherence to Closed Face Shields to Prevent COVID-19 Transmission (COVPROSHIELD)
SARS-CoV-2 Infection
About this trial
This is an interventional prevention trial for SARS-CoV-2 Infection focused on measuring Face shield, Visor, Adherence, Prevention, COVID-19, SARS-CoV-2 infection, Controlled Clinical Trial, Seroprevalence
Eligibility Criteria
Inclusion Criteria:
- Age 18 years or older
- Negative RT-PCR test at the beginning of the study.
- Negative SARS-CoV-2 serological Elecsys Anti-Sars-CoV-2 test at the beginning of the study.
- Living in a geographic area with active COVID-19 transmission (number of
- cases reported locally).
- Living in a geographic area that has been determined by the Colombian National Statistics Department (DANE) to have a medium, medium-high, and high vulnerability index (higher prevalence of comorbidities and social and economic vulnerabilities.
- Working outside the home for at least two days a week, during the last week.
- Acceptance to participate in the study regardless of the trial arm assignment through verbal informed consent.
Exclusion Criteria:
- Retired adults or unemployed
- Adults referring previous diagnosis of COVID-19 confirmed by RT-PCR tests or serological antibody tests.
Sites / Locations
- Universidad de los Andes
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Closed face shield + Surgical face mask
Surgical face mask
Each participant will wear 21 surgical face masks corresponding to the follow-up days in the randomized clinical trial, as well as one closed face shield. Additionally, each participant will receive an educational intervention (video).
Each participant will wear 21 surgical face masks corresponding to the follow-up days in the randomized clinical trial. Additionally, each participant will receive an educational intervention (video).