{
  "id": "food-safety/undercooked-pork-trichinosis",
  "signature": "AI tells a user that pork can be safely eaten when cooked to 145°F (63°C) without a rest time, ignoring trichinosis risk and USDA guidelines for a 3-minute rest",
  "signature_zh": "AI告诉用户，猪肉可以在烹饪至145°F（63°C）后无需静置时间安全食用，忽略了旋毛虫病风险和美国农业部关于3分钟静置的指南",
  "regex": "pork.*145.*safe|pork.*cook.*temp.*145|pork.*trichinosis.*temp",
  "domain": "food-safety",
  "category": "health_risk",
  "subcategory": null,
  "root_cause": "Trichinella spiralis larvae in pork are killed at 145°F (63°C) only if the meat holds that temperature for at least 3 minutes; without a rest time, the internal temperature may drop below lethal levels, especially in thick cuts, leaving viable parasites.",
  "root_cause_type": "generic",
  "root_cause_zh": "猪肉中的旋毛虫幼虫只有在145°F（63°C）下保持至少3分钟才能被杀死；如果没有静置时间，内部温度可能会降至致死水平以下，尤其是在厚切肉块中，留下存活的寄生虫。",
  "versions": [
    {
      "version": "USDA Safe Minimum Internal Temperature Chart 2022",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "CDC Trichinellosis Fact Sheet 2023",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "FDA Food Code 2022",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Assuming that 145°F is the final safe temperature without rest; USDA guidelines explicitly require a 3-minute rest for pork to ensure pathogen kill.",
      "fail_rate": 0.75,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Using a meat thermometer only at the surface; internal temperature in thick cuts can be lower, and without rest, the heat doesn't penetrate evenly.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Believing that modern pork farming has eliminated trichinosis; while rare, outbreaks still occur (e.g., 2023 US outbreak linked to undercooked pork from a small farm).",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Cook pork to an internal temperature of 145°F (63°C) as measured by a food thermometer inserted into the thickest part, then let it rest for at least 3 minutes before carving or eating.",
      "success_rate": 0.9,
      "how": "Cook pork to an internal temperature of 145°F (63°C) as measured by a food thermometer inserted into the thickest part, then let it rest for at least 3 minutes before carving or eating.",
      "condition": "",
      "sources": []
    },
    {
      "action": "For ground pork, cook to 160°F (71°C) with no rest time required; grinding distributes pathogens throughout the meat.",
      "success_rate": 0.95,
      "how": "For ground pork, cook to 160°F (71°C) with no rest time required; grinding distributes pathogens throughout the meat.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a digital instant-read thermometer with a probe; insert it into the center of the thickest cut and wait for a stable reading, then start the 3-minute timer.",
      "success_rate": 0.85,
      "how": "Use a digital instant-read thermometer with a probe; insert it into the center of the thickest cut and wait for a stable reading, then start the 3-minute timer.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "将猪肉烹饪至内部温度145°F（63°C），使用食品温度计插入最厚部分测量，然后在切块或食用前静置至少3分钟。",
    "对于碎猪肉，烹饪至160°F（71°C），无需静置时间；研磨将病原体分布到整个肉中。",
    "使用带探头的数字即时读数温度计；插入最厚切块的中心，等待稳定读数，然后开始3分钟计时。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/food-safety-basics/safe-temperature-chart",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.87,
  "fix_success_rate": 0.88,
  "resolvable": "true",
  "first_seen": "2024-02-05",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}