Skip to content

Effect of BCG vaccination for tuberculosis on COVID-19 in Brazil

Effect of BCG vaccination and revaccination on the occurrence and severity of COVID-19 in Brazil

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN47802196
Enrollment
200805
Registered
2021-05-19
Start date
1996-06-01
Completion date
Unknown
Last updated
2021-06-07

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

Conditions

COVID-19 (SARS-CoV-2 infection) in persons who were previously given the BCG vaccine Infections and Infestations

Interventions

This study looks at patient records from participants in an earlier study who were randomised to receive either vaccination with BCG vaccine produced in Brazil using the Moreaux (Rio de Janeiro) strai

Sponsors

National Council for Scientific and Technological Development
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Participants from the BCGREVAC trial (1996 - 1998) who were diagnosed or died from COVID-19 from January 27, 2020, onwards.

Exclusion criteria

Exclusion criteria: Does not meet inclusion criteria.

Design outcomes

Secondary

MeasureTime frame
Mortality from COVID-19 measured using patient records at a single timepoint

Primary

MeasureTime frame
Measured using patient records at a single timepoint: 1. COVID-19 incidence 2. COVID-19 severity (COVID-19 severity classification: 1) SpO2 < 95% on room air at sea level; 2) vigorous breathing effort; 3) cyanosis; 4) severe pneumonia; 5) Severe Acute Respiratory Syndrome (SARS); 6) sepsis; 7) septic shock)

Countries

Brazil

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026