{
  "id": "food-safety/fish-allergen-cross-contact",
  "signature": "AI tells a user that a restaurant dish is safe for a fish-allergic person if the fish is removed from the plate, ignoring cross-contact risk from shared cooking surfaces and oil",
  "signature_zh": "人工智能告诉用户，如果从餐盘中移除鱼，这道菜对鱼类过敏者就是安全的，忽视了共用烹饪表面和油带来的交叉接触风险",
  "regex": "fish.*remove.*safe.*allergy|allergen.*cross contact.*fish",
  "domain": "food-safety",
  "category": "life_threatening",
  "subcategory": null,
  "root_cause": "Fish allergens are heat-stable proteins that can transfer via shared fryer oil, grill surfaces, cutting boards, and utensils; even trace amounts can trigger severe anaphylaxis in sensitized individuals; removing the visible fish does not eliminate allergen residues.",
  "root_cause_type": "generic",
  "root_cause_zh": "鱼类过敏原是耐热蛋白质，可通过共用炸锅油、烤架表面、砧板和器具转移；即使微量也可能引发敏感个体的严重过敏反应；移除可见的鱼并不能消除过敏原残留。",
  "versions": [],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Assuming that scraping or rinsing the plate removes enough allergen; protein can bind to surfaces and remain active.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Believing that ordering a dish without fish in a seafood restaurant is safe; shared fryers and grills are common.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Thinking that cooking fish at high heat destroys allergens; fish allergens are heat-stable and survive normal cooking temperatures.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Ask the restaurant to prepare the dish in a dedicated allergen-free zone using separate utensils, cookware, and oil. Request that the chef wash hands and change gloves before preparation.",
      "success_rate": 0.75,
      "how": "Ask the restaurant to prepare the dish in a dedicated allergen-free zone using separate utensils, cookware, and oil. Request that the chef wash hands and change gloves before preparation.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Choose restaurants with clear allergen protocols (e.g., dedicated fryers for gluten-free, nut-free, fish-free). Call ahead to verify cross-contact prevention measures.",
      "success_rate": 0.85,
      "how": "Choose restaurants with clear allergen protocols (e.g., dedicated fryers for gluten-free, nut-free, fish-free). Call ahead to verify cross-contact prevention measures.",
      "condition": "",
      "sources": []
    },
    {
      "action": "For severe allergies, avoid any restaurant that serves fish entirely, as aerosolized proteins from cooking can also trigger reactions in sensitive individuals.",
      "success_rate": 0.95,
      "how": "For severe allergies, avoid any restaurant that serves fish entirely, as aerosolized proteins from cooking can also trigger reactions in sensitive individuals.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "要求餐厅在专用的无过敏原区域使用单独的器具、炊具和油来准备菜品。要求厨师在准备前洗手并更换手套。",
    "选择有明确过敏原协议的餐厅（例如，无麸质、无坚果、无鱼的专用炸锅）。提前打电话确认交叉接触预防措施。",
    "对于严重过敏者，完全避免任何供应鱼类的餐厅，因为烹饪过程中产生的雾化蛋白质也可能在敏感个体中引发反应。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.fda.gov/food/buy-store-serve-safe-food/allergens-food-safety",
  "official_doc_section": null,
  "error_code": "FOOD-FDA-2024-008",
  "verification_tier": "ai_generated",
  "confidence": 0.88,
  "fix_success_rate": 0.82,
  "resolvable": "partial",
  "first_seen": "2024-07-22",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}