CompletedNot Applicable

Assessment of Incidence of SARS-CoV-2 Infection and COVID-19 in Brazil (AVISA)

Brazil3,520 participantsStarted 2020-10-25

Plain-language 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.

Who can participate

SexALL

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Inclusion Criteria: * Any sex or age * Providing informed consent * Agreement with all study visits, procedure and contacts Exclusion Criteria: * Previous suspected or confirmed COVID-19 * Febrile illness in the latest 72 hours * Olfactory or gustatory dysfunction in the last three months * Healthcare worker in a service with routine attention to COVID-19 patients * Any conditions that can might hurdle participant's compliance to the study in tha opinion of the study team

What they're measuring

Incidence of SARS-CoV-2 infection

Timeframe: 24 months

Incidence of COVID-19

Timeframe: 24 months

Trial details

NCT IDNCT04355338

SponsorButantan Institute

Sponsor typeOTHER_GOV

Study typeOBSERVATIONAL

Primary completion2021-10-30

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