When Rain Meets Wet Soil: How Climate and Agriculture Drive Campylobacter Infections

Each year, Campylobacter jejuni—one of the world’s leading causes of diarrheal disease—affects approximately 550 million people, with young children particularly vulnerable [2]. This bacterium, commonly found in the intestines of poultry, cattle, wild birds, and other animals, typically reaches humans through contaminated food, water, or occupational exposure in agricultural settings [3]. However, recent research reveals that weather patterns, especially rainfall, play a critical yet underappreciated role in the spread of this pathogen.