Epidemiology of Campylobacter enteritis.

Area of Science:

• Foodborne pathogens
• Gastroenterology
• Public health

Background:

• Campylobacter enteritis is the leading cause of infectious diarrhea globally.
• Estimated true incidence in England and Wales is approximately 1100/100,000, significantly higher than reported.
• Economic burden exceeds millions of pounds annually due to healthcare costs and lost productivity.

Purpose of the Study:

• To investigate the primary sources and public health impact of Campylobacter enteritis.
• To identify key risk factors contributing to the high incidence of Campylobacter infections.
• To explore strategies for reducing the prevalence of Campylobacter in the food chain.

Main Methods:

• Analysis of laboratory reports and epidemiological data to estimate incidence rates.
• Review of existing literature on foodborne illness transmission.
• Case-control study in the USA to identify dietary risk factors for human Campylobacter infection.

Main Results:

• Broiler chickens identified as a major source of Campylobacter in food.
• Consumption of chickens attributed to approximately 50% of human Campylobacter infections in a US case-control study.
• Sporadic infections are common, primarily foodborne, with large outbreaks linked to raw milk or untreated water.

Conclusions:

• Campylobacter infections pose a significant public health challenge with substantial economic costs.
• Reducing Campylobacter contamination in broiler chickens is crucial for mitigating human infections.
• Industry and government collaboration is essential to develop and implement effective control strategies for Campylobacter-free poultry production.