Improving SARS-CoV-2 variants monitoring in the absence of genomic surveillance capabilities: a serological study in Bolivian blood donors in October 2021 and June 2022.

Elife · 2025 · PMC12274064 · PMID 40679142

Europe PMC DOI

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a clear trendno p-value reported

By June 2022, although our sample was limited to four departments, the data showed a clear trend towards saturation in the prevalence of anti-S1, suggesting that almost the entire population had been vaccinated and/or infected by that time.

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