{
  "data": {
    "__count": 1,
    "__licence": {
      "identifier": "CC-BY-4.0",
      "link": "https://creativecommons.org/licenses/by/4.0",
      "name": "Creative Commons Attribution 4.0 International"
    },
    "results": {
      "Date": "2026-06-23 07:57:58",
      "DisorderGroup": "Disorder",
      "ORPHAcode": 579,
      "OrphanetURL": "http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=579",
      "Preferred term": "Mucopolysaccharidosis type 1",
      "Prevalence": [
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Netherlands",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "10480370[PMID]",
          "ValMoy": "1.19"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Sweden",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18681890[PMID]_25274184[PMID]",
          "ValMoy": "0.67"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Sweden",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18681890[PMID]",
          "ValMoy": "8.7"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Norway",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18681890[PMID]",
          "ValMoy": "1.85"
        },
        {
          "PrevalenceClass": "1-5 / 10 000",
          "PrevalenceGeographic": "Norway",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18681890[PMID]",
          "ValMoy": "31.0"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Denmark",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18681890[PMID]",
          "ValMoy": "0.54"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Denmark",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18681890[PMID]",
          "ValMoy": "7.4"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Ireland",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18463126[PMID]",
          "ValMoy": "3.8"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "United Kingdom",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "18796143[PMID]",
          "ValMoy": "1.07"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Tunisia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "20209839[PMID]",
          "ValMoy": "0.63"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Taiwan, Province of China",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "19396827[PMID]",
          "ValMoy": "0.11"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Canada",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "10617747[PMID]",
          "ValMoy": "0.58"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Australia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "9918480[PMID]",
          "ValMoy": "1.14"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Czech Republic",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "20490927[PMID]",
          "ValMoy": "0.72"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Europe",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "European Medicines Agency 2018[OTHER]",
          "ValMoy": "0.5"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Europe",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "[EXPERT]",
          "ValMoy": "1.0"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Germany",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "16435194[PMID]",
          "ValMoy": "0.69"
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        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Portugal",
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          "PrevalenceValidationStatus": "Validated",
          "Source": "14685153[PMID]",
          "ValMoy": "1.33"
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        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Worldwide",
          "PrevalenceQualification": "Value and class",
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          "PrevalenceValidationStatus": "Validated",
          "Source": "ORPHANET",
          "ValMoy": "0.82"
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        {
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          "PrevalenceGeographic": "Japan",
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          "Source": "28595941[PMID]",
          "ValMoy": "0.23"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Switzerland",
          "PrevalenceQualification": "Value and class",
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          "PrevalenceValidationStatus": "Validated",
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          "ValMoy": "0.19"
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        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Poland",
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          "PrevalenceValidationStatus": "Validated",
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        {
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          "PrevalenceGeographic": "Brazil",
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          "PrevalenceValidationStatus": "Validated",
          "Source": "31926052[PMID]",
          "ValMoy": "0.24"
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        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "United States",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "DOI: https://doi.org/10.1016/j.ymgme.2016.11.285[OTHER]",
          "ValMoy": "0.34"
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        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Saudi Arabia",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "20622343[PMID]",
          "ValMoy": "3.62"
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        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "Korea, Republic of",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "25364648[PMID]",
          "ValMoy": "0.21"
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        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Israel",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "33239050[PMID]",
          "ValMoy": "1.0"
        },
        {
          "PrevalenceClass": "1-9 / 100 000",
          "PrevalenceGeographic": "Specific population",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "33239050[PMID]",
          "ValMoy": "1.1"
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      ],
      "Typology": "Disease"
    }
  },
  "datasetCategory": {
    "lang": "en",
    "name": "Epidemiology of rare diseases"
  },
  "parameters": {
    "path": {
      "ORPHAcode": 579
    },
    "query": {}
  },
  "uri": "https://api.orphadata.com/rd-epidemiology/orphacodes/579"
}