{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (WHO)","slug":"yellow-fever-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_50","title":"Yellow fever - number of reported cases","unit":null},"observations":[{"date":"1974-01-01","value":7.0},{"date":"1978-01-01","value":60.0},{"date":"1980-01-01","value":8.0},{"date":"1983-01-01","value":15.0},{"date":"1984-01-01","value":898.0},{"date":"1985-01-01","value":6.0},{"date":"1986-01-01","value":1318.0},{"date":"1987-01-01","value":2676.0},{"date":"1988-01-01","value":5067.0},{"date":"1989-01-01","value":3270.0},{"date":"1990-01-01","value":4075.0},{"date":"1991-01-01","value":2561.0},{"date":"1992-01-01","value":149.0},{"date":"1993-01-01","value":152.0},{"date":"1994-01-01","value":1227.0},{"date":"1996-01-01","value":0.0},{"date":"1997-01-01","value":7.0},{"date":"1998-01-01","value":0.0},{"date":"2000-01-01","value":0.0},{"date":"2001-01-01","value":5.0},{"date":"2002-01-01","value":0.0},{"date":"2007-01-01","value":0.0},{"date":"2008-01-01","value":0.0},{"date":"2009-01-01","value":0.0},{"date":"2010-01-01","value":0.0},{"date":"2011-01-01","value":387.0},{"date":"2012-01-01","value":0.0},{"date":"2013-01-01","value":0.0},{"date":"2014-01-01","value":0.0},{"date":"2015-01-01","value":0.0},{"date":"2016-01-01","value":0.0},{"date":"2017-01-01","value":26.0},{"date":"2018-01-01","value":47.0},{"date":"2019-01-01","value":154.0},{"date":"2020-01-01","value":216.0},{"date":"2021-01-01","value":54.0},{"date":"2022-01-01","value":14.0},{"date":"2023-01-01","value":43.0},{"date":"2024-01-01","value":22.0},{"date":"2025-01-01","value":29.0}],"summary":{"latest_period":"2025-01-01","latest_value":29.0,"max":5067.0,"mean":562.325,"min":0.0,"of":199,"rank":9,"trend":"volatile"}}