{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (WHO)","slug":"pertussis-number-of-reported-cases","source":"World Health Organization, Global Health Observatory","source_url":"https://www.who.int/data/gho/data/indicators/indicator-details/GHO/WHS3_43","title":"Pertussis - number of reported cases","unit":null},"observations":[{"date":"1985-01-01","value":3.0},{"date":"1986-01-01","value":5.0},{"date":"1987-01-01","value":15.0},{"date":"1988-01-01","value":3.0},{"date":"1989-01-01","value":3.0},{"date":"1991-01-01","value":0.0},{"date":"1993-01-01","value":2.0},{"date":"1994-01-01","value":3.0},{"date":"1995-01-01","value":3.0},{"date":"1996-01-01","value":8.0},{"date":"1997-01-01","value":14.0},{"date":"2001-01-01","value":28.0},{"date":"2002-01-01","value":27.0},{"date":"2003-01-01","value":59.0},{"date":"2004-01-01","value":96.0},{"date":"2005-01-01","value":231.0},{"date":"2006-01-01","value":196.0},{"date":"2007-01-01","value":293.0},{"date":"2008-01-01","value":260.0},{"date":"2010-01-01","value":133.0},{"date":"2011-01-01","value":103.0},{"date":"2012-01-01","value":548.0},{"date":"2013-01-01","value":1142.0},{"date":"2014-01-01","value":1501.0},{"date":"2015-01-01","value":1203.0},{"date":"2016-01-01","value":2105.0},{"date":"2017-01-01","value":1535.0},{"date":"2018-01-01","value":1354.0},{"date":"2019-01-01","value":1098.0},{"date":"2020-01-01","value":124.0},{"date":"2021-01-01","value":16.0},{"date":"2022-01-01","value":80.0},{"date":"2023-01-01","value":1046.0},{"date":"2024-01-01","value":3078.0},{"date":"2025-01-01","value":202.0}],"summary":{"latest_period":"2025-01-01","latest_value":202.0,"max":3078.0,"mean":471.914,"min":0.0,"of":210,"rank":60,"trend":"volatile"}}