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Spatiotemporal Patterns of Anthrax, Vietnam, 1990-2015
Emerging Infectious Diseases
|October 26, 2022
Summary
Anthrax cases in Vietnam remain constant yearly, with the highest incidence in Northern regions. Understanding anthrax distribution is crucial for targeted control and prevention strategies.
Area of Science:
- Veterinary Public Health
- Infectious Disease Epidemiology
Background:
- Anthrax is a significant zoonotic disease in Vietnam requiring effective control strategies.
- The precise geographic distribution of anthrax in Vietnam is not well-defined, hindering targeted interventions.
Purpose of the Study:
- To analyze human anthrax case data to determine national and provincial incidence rates in Vietnam.
- To identify high-risk regions for anthrax to inform public health and veterinary interventions.
Main Methods:
- Analysis of human anthrax case data over a 26-year period.
- Calculation of national and provincial anthrax incidence rates.
- Generation of spatial Bayes smoothed maps to visualize disease distribution.
Main Results:
- National anthrax incidence remained stable at approximately 61 cases per year over 26 years.
- The Northern Midlands and Mountainous regions showed the highest incidence rates.
- Provinces including Lai Chau, Dien Bien, Lao Cai, Ha Giang, Cao Bang, and Son La had notably high incidence.
Conclusions:
- Current control efforts have not significantly reduced the overall burden of anthrax in Vietnam.
- Identifying specific high-incidence provinces and regions is essential for improving surveillance and targeted control.
- Mapping anthrax distribution will aid in implementing effective livestock vaccination and public health strategies.
