Yes, numerous studies from health authorities and scientific journals confirm that
COVID-19 vaccines have saved millions of lives globally.
Global and National Impact
- Global Impact: A modeling study published in The Lancet Infectious Diseases estimated that COVID-19 vaccines prevented approximately 19.8 million deaths worldwide in their first year of availability (December 2020 to December 2021).
- Updated Estimates: More recent analyses covering the period up to October 2024 indicate that globally over 2.5 million deaths were averted.
- U.S. Impact: One analysis concluded that, without vaccination through the end of November 2022, the United States would have experienced 4.1 times more deaths from COVID-19.
How Vaccines Saved Lives
- Reduced Severity: The primary way vaccines save lives is by protecting against severe illness, hospitalization, and death. The risk of death is significantly higher for unvaccinated individuals compared to those who are vaccinated.
- Protection for the Vulnerable: The greatest benefit has been among older adults, with about 90% of averted deaths globally occurring in people aged 60 and older.
- Public Health Benefit: Vaccination not only protects the individual but also helps reduce the spread of the disease, providing protection to those who cannot be vaccinated due to age or medical conditions.
Ongoing Effectiveness
Vaccines remain an important tool in managing COVID-19. The 2024-2025 vaccines have shown decreased risks for severe outcomes, including a 64% effectiveness against COVID-19-associated deaths in one national study of U.S. veterans.
The consensus among major health organizations, such as the
Centers for Disease Control and Prevention (CDC) and the
World Health Organization (WHO), is that the benefits of vaccination far outweigh the potential risks, and they continue to recommend staying up to date with the latest doses.