{"id":1077494,"name":"Number of countries that are administering hepatitis A vaccine","unit":"countries","createdAt":"2025-07-15T15:51:04.000Z","updatedAt":"2026-05-18T09:12:27.000Z","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":"The 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":"-4572098626535827422","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.","Vaccines included in a country’s vaccination program are those that are provided and recommended through routine services.","They may or may not be mandatory and their coverage rates may vary widely.","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"}}]}