{
  "as_of": "November 05, 2026",
  "annual": {
    "first_year": 1962,
    "cases_1962": 481530,
    "cases_1990": 27808,
    "cases_1991": 9643,
    "cases_1992": 2126,
    "cases_2000": 85,
    "cases_2024": 285,
    "cases_2025": 2289,
    "cases_2026": 5182,
    "y2026_most_since": 1991,
    "y2026_most_since_cases": 9643,
    "y2025_most_since": 1991,
    "ratio_2026_to_2025": 2.3,
    "ratio_2026_to_2024": 18.2,
    "pct_2026_of_1962": 1.1,
    "elimination_era_2000_2024": {
      "max_year": 2019,
      "max_cases": 1274,
      "min_cases": 13,
      "total": 4485,
      "median": 85
    },
    "ratio_2026_to_2019": 4.1,
    "y2026_exceeds_2000_2024_total": true
  },
  "weekly": {
    "first_week_start": "2022-01-02",
    "latest_week_end": "2026-11-07",
    "latest_mmwr_week": 44,
    "lag_weeks_excluded": 2,
    "last_complete_week_end": "2026-10-24",
    "sum_by_mmwr_year": {
      "2022": 121,
      "2023": 59,
      "2024": 285,
      "2025": 2289,
      "2026": 5182
    },
    "y2026_cumulative_latest": 5182,
    "y2025_cumulative_same_week": 1699,
    "y2025_total": 2289,
    "ratio_2026_to_2025_same_week": 3.1,
    "y2025_peak_week_end": "2026-01-03",
    "y2025_peak_cases": 182,
    "y2026_peak_week_end": "2026-01-17",
    "y2026_peak_cases": 296,
    "y2026_last8_complete_weeks_mean": 220,
    "y2026_last8_from": "2026-08-30",
    "y2026_last8_to": "2026-10-24",
    "y2026_weeks_200_plus": 10,
    "second_half_mean_2025": 21,
    "second_half_mean_2026": 170,
    "latest_two_weeks": [
      {
        "week_end": "2026-10-31",
        "cases": 138
      },
      {
        "week_end": "2026-11-07",
        "cases": 93
      }
    ]
  },
  "states": {
    "resident_cases_2026": 5164,
    "visitor_cases_2026": 18,
    "resident_cases_2025": 2263,
    "jurisdictions": 52,
    "jurisdictions_with_cases_2026": 47,
    "jurisdictions_100_plus_2026": 13,
    "top": [
      {
        "jurisdiction": "Pennsylvania",
        "cases_2024": 6,
        "cases_2025": 16,
        "cases_2026": 1476,
        "share_2026_pct": 28.6
      },
      {
        "jurisdiction": "South Carolina",
        "cases_2024": 1,
        "cases_2025": 333,
        "cases_2026": 670,
        "share_2026_pct": 13
      },
      {
        "jurisdiction": "Utah",
        "cases_2024": 0,
        "cases_2025": 189,
        "cases_2026": 536,
        "share_2026_pct": 10.4
      },
      {
        "jurisdiction": "Wisconsin",
        "cases_2024": 1,
        "cases_2025": 36,
        "cases_2026": 419,
        "share_2026_pct": 8.1
      },
      {
        "jurisdiction": "New York",
        "cases_2024": 1,
        "cases_2025": 26,
        "cases_2026": 210,
        "share_2026_pct": 4.1
      },
      {
        "jurisdiction": "Kentucky",
        "cases_2024": 0,
        "cases_2025": 13,
        "cases_2026": 204,
        "share_2026_pct": 4
      },
      {
        "jurisdiction": "Ohio",
        "cases_2024": 7,
        "cases_2025": 40,
        "cases_2026": 202,
        "share_2026_pct": 3.9
      },
      {
        "jurisdiction": "Texas",
        "cases_2024": 1,
        "cases_2025": 803,
        "cases_2026": 192,
        "share_2026_pct": 3.7
      },
      {
        "jurisdiction": "Virginia",
        "cases_2024": 1,
        "cases_2025": 6,
        "cases_2026": 182,
        "share_2026_pct": 3.5
      },
      {
        "jurisdiction": "Florida",
        "cases_2024": 11,
        "cases_2025": 8,
        "cases_2026": 149,
        "share_2026_pct": 2.9
      }
    ],
    "top4_names": [
      "Pennsylvania",
      "South Carolina",
      "Utah",
      "Wisconsin"
    ],
    "top4_share_2026_pct": 60,
    "pennsylvania_2026": 1476,
    "pennsylvania_2025": 16,
    "pennsylvania_share_2026_pct": 29,
    "texas_2025": 803,
    "texas_2026": 192,
    "idaho_2026": 4,
    "texas_share_2025_pct": 35
  },
  "clinical_2026": {
    "hospitalised": 562,
    "hospitalised_pct": 11,
    "deaths": 7,
    "unvaccinated_or_unknown_pct": 96,
    "one_dose_pct": 2,
    "two_doses_pct": 2,
    "age_under_5": 908,
    "age_5_19": 2104,
    "age_20_plus": 2132,
    "age_under_20_pct": 58,
    "hosp_under_5_pct": 17
  },
  "clinical_2025": {
    "hospitalised": 244,
    "deaths_in_json": 3
  },
  "outbreaks": {
    "new_2026": 43,
    "associated_pct_2026": 96,
    "associated_2026": 4993,
    "from_2026_outbreaks": 3608,
    "from_2025_outbreaks": 1385,
    "n_2025": 48,
    "associated_pct_2025": 90,
    "n_2024": 16
  },
  "national_coverage_cdc": {
    "pct_2019_20": 95.2,
    "pct_2025_26": 92.4,
    "kindergartners_at_risk": 280000
  },
  "page_as_of": "November 5, 2026",
  "coverage_by_school_year": {
    "2009-10": {
      "reporting": 43,
      "median": 94.5,
      "below_95": 23,
      "at_or_above_95": 20,
      "below_90": 6,
      "min": 84.5,
      "max": 99.7
    },
    "2010-11": {
      "reporting": 0
    },
    "2011-12": {
      "reporting": 44,
      "median": 94.8,
      "below_95": 23,
      "at_or_above_95": 21,
      "below_90": 4,
      "min": 86.8,
      "max": 99.3
    },
    "2012-13": {
      "reporting": 46,
      "median": 94.5,
      "below_95": 27,
      "at_or_above_95": 19,
      "below_90": 5,
      "min": 85.7,
      "max": 99.9
    },
    "2013-14": {
      "reporting": 47,
      "median": 94.7,
      "below_95": 26,
      "at_or_above_95": 21,
      "below_90": 7,
      "min": 81.7,
      "max": 99.7
    },
    "2014-15": {
      "reporting": 50,
      "median": 94,
      "below_95": 33,
      "at_or_above_95": 17,
      "below_90": 8,
      "min": 86.9,
      "max": 99.2
    },
    "2015-16": {
      "reporting": 51,
      "median": 94.6,
      "below_95": 29,
      "at_or_above_95": 22,
      "below_90": 4,
      "min": 87.1,
      "max": 99.4
    },
    "2016-17": {
      "reporting": 48,
      "median": 94.1,
      "below_95": 28,
      "at_or_above_95": 20,
      "below_90": 5,
      "min": 87.3,
      "max": 99.4
    },
    "2017-18": {
      "reporting": 49,
      "median": 94.3,
      "below_95": 26,
      "at_or_above_95": 23,
      "below_90": 3,
      "min": 88.7,
      "max": 99.4
    },
    "2018-19": {
      "reporting": 49,
      "median": 94.2,
      "below_95": 29,
      "at_or_above_95": 20,
      "below_90": 2,
      "min": 87.4,
      "max": 99.2
    },
    "2019-20": {
      "reporting": 48,
      "median": 94.6,
      "below_95": 28,
      "at_or_above_95": 20,
      "below_90": 3,
      "min": 86.6,
      "max": 99.1
    },
    "2020-21": {
      "reporting": 48,
      "median": 93.7,
      "below_95": 32,
      "at_or_above_95": 16,
      "below_90": 8,
      "min": 78.9,
      "max": 98.9
    },
    "2021-22": {
      "reporting": 50,
      "median": 93,
      "below_95": 36,
      "at_or_above_95": 14,
      "below_90": 10,
      "min": 78,
      "max": 98.6
    },
    "2022-23": {
      "reporting": 50,
      "median": 92.1,
      "below_95": 37,
      "at_or_above_95": 13,
      "below_90": 13,
      "min": 81.3,
      "max": 98.4
    },
    "2023-24": {
      "reporting": 50,
      "median": 92.1,
      "below_95": 39,
      "at_or_above_95": 11,
      "below_90": 14,
      "min": 79.6,
      "max": 98.3
    },
    "2024-25": {
      "reporting": 49,
      "median": 91.3,
      "below_95": 39,
      "at_or_above_95": 10,
      "below_90": 15,
      "min": 78.5,
      "max": 98.2
    },
    "2025-26": {
      "reporting": 49,
      "median": 91.5,
      "below_95": 39,
      "at_or_above_95": 10,
      "below_90": 18,
      "min": 75.2,
      "max": 98.9
    }
  },
  "coverage": {
    "latest_school_year": "2025-26",
    "states_in_file": 51,
    "latest": {
      "reporting": 49,
      "median": 91.5,
      "below_95": 39,
      "at_or_above_95": 10,
      "below_90": 18,
      "min": 75.2,
      "max": 98.9
    },
    "y2019_20": {
      "reporting": 48,
      "median": 94.6,
      "below_95": 28,
      "at_or_above_95": 20,
      "below_90": 3,
      "min": 86.6,
      "max": 99.1
    },
    "y2015_16": {
      "reporting": 51,
      "median": 94.6,
      "below_95": 29,
      "at_or_above_95": 22,
      "below_90": 4,
      "min": 87.1,
      "max": 99.4
    },
    "lowest_latest": [
      {
        "state": "Idaho",
        "pct": 75.2
      },
      {
        "state": "Wisconsin",
        "pct": 85.1
      },
      {
        "state": "Minnesota",
        "pct": 85.7
      }
    ],
    "top4_case_states_latest": [
      {
        "state": "Pennsylvania",
        "pct": 92.7
      },
      {
        "state": "South Carolina",
        "pct": 93.4
      },
      {
        "state": "Utah",
        "pct": 87.2
      },
      {
        "state": "Wisconsin",
        "pct": 85.1
      }
    ]
  },
  "cross_checks": {
    "year_file_matches_history_1985_on": true,
    "weekly_2026_total_matches_annual": true,
    "weekly_2025_total_vs_annual": {
      "weekly": 2289,
      "annual": 2289
    },
    "weekly_2023_total_vs_annual": {
      "weekly": 59,
      "annual": 59
    },
    "weekly_2022_total_vs_annual": {
      "weekly": 121,
      "annual": 121
    },
    "hosp_file_total_matches_annual": true,
    "page_headline_matches_annual": true,
    "resident_plus_visitor_equals_total": true
  }
}
