Chikungunya Fever Cross-City Cases in Guangdong, China, 2025

Guangdong Province, China, reported 400 confirmed cases of Chikungunya fever with cross-city exposure histories by August 21, 2025. The dataset, created by Jianhua Huang and last updated in May 2026, includes demographic, clinical, and mobility data from the outbreak. It provides estimated epidemiological parameters, including a median incubation period of 5.4 days.

Use Cases

• Modeling disease transmission patterns based on cross-city mobility data.
• Estimating key epidemiological parameters like incubation period based on exposure windows.
• Analyzing demographic and clinical symptom profiles of cross-city cases compared to local outbreaks.
• Studying the role of population mobility in the spread of arboviruses like Chikungunya.

Strengths

• Contains data on 400 confirmed cases with detailed cross-city exposure histories.
• Provides specific epidemiological estimates, including a median incubation period of 5.4 days with confidence intervals.
• Includes subgroup analysis based on mobility patterns and exposure windows.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• The dataset is very small at 5.5 KB, indicating limited scope.

Provenance

Source

National Notifiable Infectious Disease Reporting System and epidemiological investigations.

Collection Method

Data obtained from public health reporting systems and supplemented by case investigations.

Time Range

Outbreak occurred in July 2025; data reported through August 21, 2025.

Freshness

Last updated 2026-05-22 18:00:15; freshness should be verified.

Geography

Primarily Guangdong Province, China, with spread to the Pearl River Delta, Guangxi, and Hunan.