Individuals can be reinfected with COVID-19 multiple times
the verdict
SUPPORTED
the evidence backs this
confidence 86/100
Multiple clinical and epidemiological studies confirm that individuals can contract COVID-19 multiple times due to waning immunity and the emergence of new viral variants.
Evidence for · 3
Risk of SARS-CoV-2 Reinfection 18 Months After Primary Infection: Population-Level Observational Study
2022 · cited by 58
The study documented multiple COVID-19 reinfections in a large population cohort over an extended follow-up period.
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More for · 2
Reinfection-Driven Accumulation of SARS-CoV-2 Antibodies: A 36-Month Longitudinal Study in Austrian Blood Donors.
2026 · cited by 1
Longitudinal serological tracking in blood donors revealed that 97% of participants experienced at least one reinfection over a 36-month period.
Subsequent SARS-CoV-2 Infection in Healthcare Workers: A Retrospective Cohort Study in Iran.
2026 · cited by 0
Retrospective data among healthcare workers confirmed multiple episodes of subsequent SARS-CoV-2 infections.