ArticleVaccines2025
A Single Dose of Yellow Fever Vaccine Provides Long-Term Immunity in Japanese Travelers.
Article in Vaccines, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
Funding
Abstract
Yellow fever (YF) is an acute hemorrhagic zoonotic disease that causes severe liver damage, renal failure, and hemorrhagic shock. No antiviral treatment is available; thus, vaccination is a critical preventive measure. Although the World Health Organization (WHO) revised the guidelines regarding the need for booster vaccination for YF with the rationale that a single vaccination provides sufficient long-term immunogenicity, no studies have evaluated long-term immunity in Japanese adults who received a single dose of YF vaccine. This study evaluated the long-term persistence of immunogenicity in Japanese adults vaccinated with the YF vaccine. This observational study enrolled Japanese adults who received a single YF vaccination >5 years previously. Blood samples were collected after confirming eligibility for the study. The serum levels of anti-yellow fever virus (YFV)-neutralizing antibodies were measured using the 50% plaque reduction neutralization test (PRNT
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