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Meta-analysis of brucellosis and relative risks
Medicine
|February 27, 2026
Summary
Consuming animal milk, dairy products, raw meat from sick animals, and blood are significant risk factors for human brucellosis. These dietary habits increase the likelihood of contracting this infectious disease.
Area of Science:
- Epidemiology
- Infectious Diseases
- Public Health
Background:
- Brucellosis is a significant zoonotic disease with global health implications.
- Understanding dietary risk factors is crucial for effective prevention and control strategies.
Purpose of the Study:
- To identify and quantify the main dietary risk factors associated with human brucellosis.
- To provide evidence-based references for public health interventions.
Main Methods:
- A systematic literature search was conducted across major databases (PubMed, Web of Science, CNKI, Wanfang).
- 57 relevant studies on dietary risk factors for human brucellosis were included in the meta-analysis.
- Meta-analysis was performed using Review Manager 5.3, employing fixed- or random-effects models to assess risk factors.
Main Results:
- Animal milk consumption (OR=5.12) and consumption of meat from sick or dead animals (OR=4.54) were strongly associated with brucellosis.
- Dairy consumption (OR=2.28) and blood consumption (OR=2.72) also emerged as significant risk factors.
- Poor hand hygiene and zoonotic drinking water sources were identified but not quantified in this specific meta-analysis summary.
Conclusions:
- Animal milk, dairy products, meat from sick/dead animals, and blood consumption are key dietary risk factors for human brucellosis.
- These findings highlight the importance of safe food handling and consumption practices in brucellosis prevention.
- Targeted public health campaigns focusing on these dietary habits can help reduce brucellosis transmission.
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