Assessment of Incidence of SARS-CoV-2 Infection and COVID-19 in Brazil (AVISA)
NCT04355338 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 3520
Last updated 2025-02-06
Summary
This is an observational study, meaning that no interventions is tested, to determine incidence of SARS-CoV-2 infection and COVID-19 in different clinical sites in Brazil in several age groups. The study aims to assess baseline number of infected participants and perform a follow-up along two years to determine the new cases occurring among participants during the period. All participants will collect blood samples to get more details on the immune response.
Conditions
Sponsors & Collaborators
-
Butantan Institute
lead OTHER_GOV
Principal Investigators
-
Fernanda Boulos, MD, PhD · Butantan Institute
Eligibility
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2020-10-25
- Primary Completion
- 2021-10-30
- Completion
- 2024-10-30
Countries
- Brazil
Study Locations
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