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Published in 2023 at "American journal of epidemiology"
DOI: 10.1093/aje/kwad055
Abstract: Evidence from early observational studies suggested negative vaccine effectiveness (${V}_{Eff}$) for the SARS-CoV-2 Omicron variant. Since true ${V}_{Eff}$ is unlikely to be negative, we explored how differences in contact among vaccinated persons (e.g. potentially from…
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Keywords:
contact;
negative vaccine;
vaccine;
eff ... See more keywords