Seroepidemiological Study of SARS-CoV-2 (COVID-19) Infection in Population Subgroups in the State of São Paulo

Seroepidemiological Study of SARS-CoV-2 Infection in Population Subgroups in the State of São Paulo

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04408014

Enrollment

18901

Registered

2020-05-29

Start date

2020-06-01

Completion date

2020-07-30

Last updated

2024-02-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID, SARS-CoV 2

Brief summary

Seroepidemiological Study of SARS-CoV-2 Infection in Population Subgroups in the State of São Paulo

Detailed description

This is a cross-sectional study to estimate the prevalence of antibodies against SARS-CoV-2 is different population subgroups in the State of São Paulo

Interventions

DIAGNOSTIC_TESTSerological test

IgM and IgG for SARS-CoV-2

DIAGNOSTIC_TESTNasopharyngeal Swab

PCR for SARS-CoV-2

DIAGNOSTIC_TESTOropharyngeal Swab

PCR for SARS-CoV-2

Study design

Observational model

OTHER

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

6 Months to 100 Years

Healthy volunteers

Yes

Inclusion criteria

* All potential volunteers invited to participate in the study.

Exclusion criteria

* All potential eligible participants, but who do not show interest in participating in the study.

Design outcomes

Primary

Measure	Time frame	Description
Prevalence of antibodies against SARS-CoV-2 through serological testing	1 month	IgM and IgG antibodies against SARS-CoV-2
Frequency of participants with a positive RT-PCR test result for SARS-CoV-2	1 month	Positive RT-PCR test result for SARS-CoV-2

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026