A Cross-Sectional Seroepidemiological Study on Varicella Zoster Virus in Zhejiang, China
Vaccines·
- DOI
- 10.3390/vaccines14080722
- PMID
- —
- PMCID
- —
- OpenAlex
- —
- Study type
- Cross-sectional study
- Publisher
- MDPI AG
- Article type
- journal-article
- Integrity
- current
Why this research matters now
Documented reductions in marker concentrations over time highlight potential durability considerations, informing policy deliberations regarding standardized childhood immunization schedules.
Structured evidence summary
Research question
The investigation sought to quantify circulating varicella zoster antibodies within a specific Chinese region following extended implementation of a dual-dose immunization protocol.
Study design
Researchers conducted a cross-sectional seroepidemiological assessment utilizing multistage stratified random sampling techniques.
Population and setting
The sample consisted of asymptomatic individuals ranging from one to sixty-nine years old residing in Zhejiang Province, recruited during early 2024.
Main findings
Overall antibody detection reached approximately seventy-three percent with a geometric mean concentration near two hundred mIU/mL. Demographic variables, vaccination documentation, and past illness records correlated significantly with these measurements. Youth under fifteen demonstrated lower positivity rates around forty-three percent, while protective titers progressively diminished as intervals extended after initial inoculation.
Public-health relevance
Documented reductions in marker concentrations over time highlight potential durability considerations, informing policy deliberations regarding standardized childhood immunization schedules.
Important limitations
The cross-sectional framework restricts temporal inference regarding long-term immune persistence across the studied cohort. Because explicit methodological constraints were not detailed, this summary remains confined to the provided abstract and metadata, requiring full-text examination for definitive conclusions.
GIDS interpretation
This record supplies regional serological benchmarks useful for understanding historical vaccine deployment outcomes. It establishes a contextual reference point for tracking varicella zoster immunity trends within the documented jurisdiction.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 8 auditable classifier relationships to diseases, places, topics, and study design.