Christine LeynsElliot McClenaghanPatricia RodríguezPatrick Nguipdop‐DjomoCarla AscarrunzDaniel Eid RodríguezPunam MangtaniJavier Guitián2026-03-222026-03-22202410.2139/ssrn.4883983https://doi.org/10.2139/ssrn.4883983https://andeanlibrary.org/handle/123456789/83881Citaciones: 1enSerologyImmunityVirologyNatural foodSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Coronavirus disease 2019 (COVID-19)ImmunologyBusinessBiologyHybrid, Vaccine-Induced and Natural Immunity Against SARS-CoV-2 in Traditional Food Markets in Bolivia (2020-2022): A Cross-Sectional Analysis of a Serological Surveypreprint