Epidemiological characteristics of leptospirosis and serological surveillance among reservoir animals and healthy populations in Fujian, China, 2004–2024
Frontiers in Public Health·
- DOI
- 10.3389/fpubh.2026.1891639
- PMID
- —
- PMCID
- —
- OpenAlex
- —
- Study type
- Journal article
- Publisher
- Frontiers Media SA
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The abstract presents the findings as information relevant to risk assessment and prevention and control planning in Fujian Province. It identifies seasonal and geographic concentration, affected population groups, reservoir-animal findings, and differing serogroup distributions as epidemiological context.
Structured evidence summary
Research question
The study examined the epidemiological patterns of leptospirosis in Fujian Province, China, from 2004 to 2024, including human cases, reservoir animals, healthy populations, temporal and spatial patterns, and serological characteristics.
Study design
This was a retrospective descriptive analysis of surveillance data from human cases, reservoir animals, and healthy populations. The analyses included trend assessment, spatial and spatiotemporal clustering methods, and serological assessment of antibody prevalence and serogroup distributions.
Population and setting
The study covered Fujian Province, China, using human leptospirosis data from 2004 to 2024 and animal and healthy-population surveillance data from 2005 to 2024. Data were collected through the national infectious disease surveillance system and 31 surveillance sites, including rodents, healthy individuals, and reported human cases.
Main findings
The reported incidence declined over the study period, with 681 cases and an average annual incidence of 0.08 per 100,000 population. Cases were concentrated during July to October and in northern and north-central Fujian, with statistically significant spatial clustering and identified geographic and spatiotemporal hotspots. Mean antibody prevalence was 32.89% in rodents and 17.81% in healthy individuals, with different predominant serogroups between the two groups.
Public-health relevance
The abstract presents the findings as information relevant to risk assessment and prevention and control planning in Fujian Province. It identifies seasonal and geographic concentration, affected population groups, reservoir-animal findings, and differing serogroup distributions as epidemiological context.
Important limitations
The supplied abstract does not state specific study limitations. This summary relies on the supplied single-article abstract and metadata; the original paper is required for decision-grade assessment of data completeness, surveillance coverage, measurement methods, and analytical limitations.
GIDS interpretation
The article is discoverable as evidence about leptospirosis surveillance and transmission-related patterns in China, including human cases, reservoir animals, and serology in Fujian Province. It provides article-specific epidemiological context only and does not establish or confirm a current surveillance signal.
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 6 auditable classifier relationships to diseases, places, topics, and study design.