ReviewAnnals of laboratory medicine2026
Recent Trends in Cytomegalovirus IgG Seropositivity in the Adult Population of Korea: a Cross-Sectional Study and Literature Review.
Review in Annals of laboratory medicine, 2026. 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.
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Abstract
Background: Cytomegalovirus (CMV) infection is prevalent worldwide. Although Korea has historically shown high CMV IgG seropositivity (>95%), declines have been reported recently. We assessed current CMV IgG seropositivity and analyzed prevailing trends in the Korean population. Methods: Residual samples from individuals undergoing regular health checkups were analyzed. We assessed 1,978 samples (from 937 men and 1,041 women) where the age group distribution was relatively balanced. CMV IgG levels were measured at two institutions using a commercial immunoassay (Alinity i CMV IgG Reagent Kit, Abbott) following the manufacturer's instructions. Results were interpreted as "reactive" when the CMV IgG concentration was ≥ 6.0 arbitrary units (AU)/mL or "nonreactive" when the CMV IgG concentration was <6.0 AU/mL. Seropositivity was compared by sex and across age groups (20-29, 30-39, 40-49, and 50-59 yrs). Results: The overall CMV IgG seropositivity was 89.9% (1,778/1,978) and was significantly higher in men (91.7%, 859/937) than in women (88.3%, 919/1,041) (difference: 3.4%; 95% confidence interval: 0.8%-6.0%; Conclusions: Our findings provide the most up-to-date estimate of CMV IgG seropositivity in the Korean adult population. Because of lower seropositivity in younger adults, continued monitoring and further education are essential for CMV control and prevention.
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