Salmonella and Campylobacter epidemiology

Salmonella and Campylobacter are among the leading bacterial causes of foodborne illness worldwide, transmitted primarily through contaminated poultry, meat, dairy, and water, making their epidemiology a central concern for both agriculture and public health. Researchers trace how these pathogens spread through food production chains, identify which strains are responsible for outbreaks, and track the growing problem of antimicrobial resistance, which threatens to leave common infections without effective treatment options. Whole-genome sequencing has transformed this work, enabling scientists to link cases across borders, reconstruct transmission routes with fine resolution, and pinpoint the genetic features that make certain strains more dangerous. Active questions include understanding how resistant strains emerge and persist in agricultural settings, how zoonotic spillover into human populations can be interrupted, and which interventions along the farm-to-fork continuum are most effective at reducing the global disease burden.

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Keywords

SalmonellaCampylobacterFoodborne IllnessEpidemiologyAntimicrobial ResistancePathogenicity