Shigella Prevention for Louisville Food Service Operators

Employee Health Screening & Exclusion Protocols

The Louisville Metro Department of Public Health & Wellness requires food handlers with symptoms of diarrhea, vomiting, or jaundice to be immediately excluded from food handling duties. Shigella spreads through microscopic fecal matter, so employees must wash hands thoroughly with soap and warm water for at least 20 seconds after using restrooms, before handling food, and after touching face or hair. Implement mandatory health questionnaires at hiring and require employees to report gastrointestinal symptoms immediately. Some employees may need medical clearance (negative stool culture) before returning to food handling, particularly those in high-risk roles like salad prep or ready-to-eat assembly.

Sanitation & Hand-Washing Infrastructure

Establish dedicated hand-washing stations with hot and cold running water, soap, and single-use paper towels in all food prep areas, bathrooms, and break rooms—critical because Shigella survives standard hand sanitizer alone. Clean and sanitize food contact surfaces, cutting boards, and utensils using an EPA-approved disinfectant effective against Shigella (typically quaternary ammonium or chlorine-based sanitizers at concentrations listed on product labels). Louisville establishments must maintain detailed sanitization logs reviewed weekly by management. Pay special attention to restroom cleaning—disinfect toilet seats, door handles, and faucets at least twice daily, as Shigella can survive on surfaces for hours.

Temperature Control & Ready-to-Eat Food Safety

While Shigella is not typically a temperature-control hazard like Salmonella, proper food handling prevents cross-contamination. Keep cold foods below 41°F and hot foods above 135°F to prevent bacterial multiplication during storage. Shigella primarily threatens ready-to-eat foods (salads, sandwiches, sushi, desserts) that receive no further cooking; ensure only healthy employees prepare these items and that prep surfaces are sanitized between tasks. The Louisville Metro Health Department aligns with FDA Food Code standards—conduct monthly temperature logs for all refrigeration units. When Shigella incidents occur, the health department may investigate food handling practices and require remediation before reopening.

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