Shigella Prevention Guide for Las Vegas Food Service

Sanitation Protocols & Cross-Contamination Prevention

Shigella survives on surfaces and spreads through fecal-oral transmission, making rigorous handwashing and surface sanitation non-negotiable. The FDA Food Code requires handwashing stations with hot/cold running water in all food prep areas—verify yours meet this standard and post visible signage. Separate cutting boards, utensils, and prep surfaces must be used exclusively for raw produce versus ready-to-eat foods; color-coding systems (green for produce, red for raw proteins) reduce operator error. The SNHD enforces mandatory 2-minute handwashing after restroom use, handling raw foods, or touching contaminated surfaces—staff must wash hands with soap and warm water (minimum 100°F), not hand sanitizer alone, as Shigella bacteria can survive sanitizer exposure.

Employee Health Screening & Exclusion Policies

SNHD regulations require exclusion of food handlers with confirmed or suspected Shigella infection. Establish mandatory daily health attestations asking staff about diarrhea, abdominal cramps, and recent gastroenteritis exposure—document responses for compliance audits. Any employee showing signs of acute gastroenteritis (typically 1–3 day incubation period for Shigella) must be excluded from food handling until symptom-free for 24+ hours and, ideally, after negative test confirmation through a healthcare provider. Train managers to recognize Shigella symptoms: acute watery or bloody diarrhea, fever, tenesmus (painful bowel strains), and nausea. Maintain confidential health records separate from personnel files and ensure coverage plans so illness-related staffing gaps don't pressure workers to return early.

Temperature Control & Food Storage Best Practices

Shigella is destroyed at cooking temperatures above 165°F (74°C) for all foods; use calibrated food thermometers at service and spot-check hot-held items every 2 hours to verify temperatures. Cold foods must be held below 41°F (5°C)—ready-to-eat salads, deli items, and prepared vegetables are high-risk if kept in broken coolers or at improper temps. SNHD inspectors prioritize checking cold storage units and hot-holding equipment; invest in wireless temperature monitoring systems (many integrate with Panko Alerts to flag deviations in real-time). Discard any potentially contaminated foods rather than attempting to salvage—Shigella contamination cannot be visually confirmed and cross-contamination risks are high. Implement a FIFO (first-in, first-out) rotation system to prevent slow-moving produce from becoming breeding grounds for pathogens.

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