Indirect effectiveness of COVID-19 vaccines in the pre-omicron and omicron periods: a nation-wide test-negative case-control study in Brazil
Our findings confirm that high vaccination coverage using vaccines that prevent infection indirectly protects the community. However, IVE was substantially higher during the pre-omicron period.
Authors
- Thiago Cerqueira Silva (ORCID: https://orcid.org/0000-0003-4534-2509)
- Manoel Barral‐Netto (ORCID: https://orcid.org/0000-0002-5823-7903)
- Neil Pearce (ORCID: https://orcid.org/0000-0002-9938-7852)
- Viviane Boaventura (ORCID: https://orcid.org/0000-0002-7241-6844)
Institutions
- London School of Hygiene & Tropical Medicine (GB)
- Fundação Oswaldo Cruz (BR)
Publication Details
- Journal
- International Journal of Infectious Diseases
- Published
- 2024-09-01
- DOI
- https://doi.org/10.1016/j.ijid.2024.107241
- Primary Topic
- SARS-CoV-2 and COVID-19 Research
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Royal Society