Key risks associated with foodborne pathogens in imported leafy greens include contamination with bacteria such as E. coli, Salmonella, and Listeria. These pathogens can cause severe illness, especially in vulnerable populations such as the elderly, young children, pregnant women, and immunocompromised individuals. The impact on public health can be significant, leading to outbreaks of foodborne illnesses, increased healthcare costs, and in severe cases, death.