greens growing in rows in a field.

California Longitudinal Study

FDA, in collaboration with the California Department of Food and Agriculture, the University of California, Davis’s Western Center for Food Safety, and agricultural stakeholders in the Central Coast of California, is conducting a multi-year study in the Central Coast agricultural region to identify environmental factors that significantly contribute to the introduction, persistence, growth, and spread of foodborne pathogens that could contaminate produce during production and harvest. We are also interested in identifying factors that lead to pathogen die-off.