{
  "schema_version": "0.1.0",
  "id": "us-travel-advisory:yemen",
  "slug": "yemen",
  "title": "Yemen travel advisory: Level 4: Do Not Travel",
  "country": "Yemen",
  "level": 4,
  "level_label": "Level 4: Do Not Travel",
  "level_name": "Do Not Travel",
  "advisory": {
    "source_title": "Yemen - Level 4: Do Not Travel",
    "source_url": "https://travel.state.gov/content/travel/en/traveladvisories/traveladvisories/yemen-travel-advisory.html",
    "source_updated_at": "2025-12-19",
    "source_identifier": "YM,TSG:advisory_tags",
    "country_tag": "YM",
    "keywords": [
      "TSG:advisory_tags"
    ],
    "source_note": null,
    "summary": "The Department of State renewed its Travel Advisory for Yemen on December 19, 2025. There were no changes to the advisory level or risk indicators. Advisory summary was updated.",
    "summary_truncated": false
  },
  "cdc_notices": [
    {
      "id": "cdc-travel-notice:malaria-yemen",
      "title": "Level 2 - Malaria in Yemen",
      "level": 2,
      "level_label": "Level 2: Alert: Practice Enhanced Precautions",
      "url": "https://wwwnc.cdc.gov/travel/notices/level2/malaria-yemen",
      "published_at": "2026-06-11",
      "summary": "Increased cases of malaria have been reported in Yemen, including in areas that were previously considered low-risk."
    },
    {
      "id": "cdc-travel-notice:paratyphoid-fever-yemen",
      "title": "Level 1 - Paratyphoid Fever in Yemen",
      "level": 1,
      "level_label": "Level 1: Watch: Practice Usual Precautions",
      "url": "https://wwwnc.cdc.gov/travel/notices/level1/paratyphoid-fever-yemen",
      "published_at": "2026-08-26",
      "summary": "Cases of paratyphoid fever are being reported in returning travelers from Yemen. You can prevent paratyphoid fever by practicing safe eating and drinking habits."
    }
  ],
  "cdc_notice_count": 2,
  "cdc_highest_level": 2,
  "observed_level_history": [
    {
      "observed_at": "2026-09-10T23:02:54+00:00",
      "level": 4,
      "level_label": "Level 4: Do Not Travel",
      "source_updated_at": "2025-12-19",
      "baseline": true
    }
  ],
  "observed_level_changes": 0,
  "level_first_observed_at": "2026-09-10T23:02:54+00:00",
  "level_last_changed_at": null,
  "official_url": "https://travel.state.gov/content/travel/en/traveladvisories/traveladvisories/yemen-travel-advisory.html",
  "source_name": "U.S. Department of State Bureau of Consular Affairs and CDC Travelers' Health",
  "sources": [
    {
      "name": "U.S. Department of State travel advisories",
      "url": "https://travel.state.gov/_res/rss/TAsTWs.xml",
      "rights_url": "https://travel.state.gov/content/travel/en/copyright-disclaimer.html"
    },
    {
      "name": "CDC Travelers' Health notices",
      "url": "https://wwwnc.cdc.gov/travel/rss/notices.xml",
      "rights_url": "https://www.cdc.gov/other/information.html"
    }
  ],
  "source_updated_at": "2026-09-10",
  "retrieved_at": "2026-09-10T23:03:54+00:00",
  "unknowns": {
    "sub_national_levels": "The official advisory may assign different levels to regions inside the destination. CiteFacts publishes the country-level line only; read the linked advisory for regional detail.",
    "level_history_before_observation": "The source feed carries only the current advisory. Levels before CiteFacts' first validated observation are unknown, not assumed unchanged.",
    "cdc_destination_coverage": "CDC notices are matched by destination names in the notice title. A CDC destination page may list additional destinations; global and regional notices are listed on the family index, not attached here."
  },
  "derivations": {
    "level": "Parsed from the State Department item title and confirmed against its Threat-Level category when present.",
    "cdc_notices": "CDC notices whose normalized title contains this destination's name or a documented alias as whole words, after masking longer destination names.",
    "cdc_highest_level": "Maximum CDC notice level among matched notices; null when none matched.",
    "observed_level_history": "Daily validated observations retained by CiteFacts. The first row per destination is a baseline; only later rows with a different level are observed changes.",
    "title": "Destination name plus the source level label; not editorial judgment."
  }
}