{"id": 1077494, "name": "Number of countries that are administering hepatitis A vaccine", "unit": "countries", "createdAt": "2025-07-15T15:51:04.000Z", "updatedAt": "2026-08-17T17:57:04.000Z", "coverage": "", "timespan": "2002-2024", "datasetId": 7149, "columnOrder": 0, "shortName": "countries__description_hepatitis_a_vaccine", "catalogPath": "grapher/who/2025-07-15/vaccination_introductions/vaccination_introductions_sum#countries__description_hepatitis_a_vaccine", "dimensions": {"years": {"values": [{"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}, {"id": 2023}, {"id": 2024}]}, "entities": {"values": [{"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "descriptionShort": "Number of countries that are administering hepatitis A vaccine to either the entire country, regions of the country, adolescents or specific risk groups.", "type": "int", "grapherConfigIdETL": "01980ec8-4bfd-7c52-97ef-59754480e12d", "dataChecksum": "16973710955071204600", "metadataChecksum": "-5244980844318825601", "datasetName": "WHO Immunization Data - Vaccination Introductions", "updatePeriodDays": 365, "datasetVersion": "2025-07-15", "nonRedistributable": false, "display": {"name": "Hepatitis A vaccine", "unit": "countries", "numDecimalPlaces": 0}, "schemaVersion": 2, "presentation": {"titlePublic": "Number of countries administering hepatitis A vaccine", "topicTagsLinks": ["Vaccination"]}, "descriptionKey": "- Hepatitis A is a highly contagious viral infection that affects the liver, causing symptoms like fever, fatigue, nausea, abdominal pain, and jaundice.\n- Vaccines included in a country\u2019s vaccination program are those that are provided and recommended through routine services.\n- They may or may not be mandatory and their coverage rates may vary widely.\n- When countries do not have a vaccine in their schedule, this does not necessarily mean that the vaccine is completely unavailable in those countries, as it may be available commercially.", "origins": [{"id": 6786, "titleSnapshot": "WHO Immunization Data - Vaccination Introductions", "title": "WHO Immunization Data - Vaccination Introductions", "description": "The World Health Organization (WHO) provides data on the introduction of vaccines into vaccine schedules for countries around the world. The data is collected through the WHO/UNICEF Joint Reporting Form on Immunization.", "producer": "World Health Organization", "citationFull": "Vaccine Introductions - WHO/UNICEF Joint Reporting Form on Immunization (2025), World Health Organization and  UNICEF.", "attributionShort": "WHO", "urlMain": "https://immunizationdata.who.int/global?topic=Vaccine-introduction&location=", "urlDownload": "https://srhdpeuwpubsa-geecgzbpd5h0fueu.z01.azurefd.net/whdh/WIISE/export/vaccine-introduction-data.xlsx", "dateAccessed": "2025-07-15", "datePublished": "2025-07-15", "license": {"url": "https://www.who.int/about/policies/publishing/copyright", "name": "CC BY-NC-SA 3.0 IGO"}}]}