{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"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":"1974-01-01","value":2675.0},{"date":"1975-01-01","value":1156.0},{"date":"1976-01-01","value":512.0},{"date":"1977-01-01","value":1068.0},{"date":"1978-01-01","value":633.0},{"date":"1979-01-01","value":508.0},{"date":"1980-01-01","value":232.0},{"date":"1981-01-01","value":281.0},{"date":"1982-01-01","value":452.0},{"date":"1983-01-01","value":185.0},{"date":"1984-01-01","value":326.0},{"date":"1985-01-01","value":304.0},{"date":"1986-01-01","value":122.0},{"date":"1987-01-01","value":295.0},{"date":"1988-01-01","value":174.0},{"date":"1989-01-01","value":107.0},{"date":"1990-01-01","value":292.0},{"date":"1991-01-01","value":302.0},{"date":"1992-01-01","value":590.0},{"date":"1993-01-01","value":314.0},{"date":"1994-01-01","value":697.0},{"date":"1995-01-01","value":549.0},{"date":"1996-01-01","value":330.0},{"date":"1997-01-01","value":2092.0},{"date":"1998-01-01","value":2871.0},{"date":"1999-01-01","value":876.0},{"date":"2000-01-01","value":2269.0},{"date":"2001-01-01","value":2411.0},{"date":"2002-01-01","value":1788.0},{"date":"2003-01-01","value":2034.0},{"date":"2004-01-01","value":2954.0},{"date":"2005-01-01","value":1925.0},{"date":"2006-01-01","value":1525.0},{"date":"2007-01-01","value":1987.0},{"date":"2009-01-01","value":2390.0},{"date":"2010-01-01","value":1266.0},{"date":"2012-01-01","value":4682.0},{"date":"2013-01-01","value":2183.0},{"date":"2016-01-01","value":6853.0},{"date":"2017-01-01","value":3066.0},{"date":"2018-01-01","value":1552.0},{"date":"2020-01-01","value":746.0},{"date":"2021-01-01","value":180.0},{"date":"2022-01-01","value":371.0},{"date":"2023-01-01","value":922.0},{"date":"2024-01-01","value":32803.0},{"date":"2025-01-01","value":11323.0}],"summary":{"latest_period":"2025-01-01","latest_value":11323.0,"max":32803.0,"mean":2195.17,"min":107.0,"of":205,"rank":4,"trend":"volatile"}}