{"entity":{"iso2":"TD","iso3":"TCD","name":"Chad","slug":"chad"},"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":5498.0},{"date":"1975-01-01","value":8319.0},{"date":"1976-01-01","value":11999.0},{"date":"1977-01-01","value":5930.0},{"date":"1978-01-01","value":2366.0},{"date":"1982-01-01","value":273.0},{"date":"1983-01-01","value":2288.0},{"date":"1984-01-01","value":2532.0},{"date":"1985-01-01","value":1496.0},{"date":"1986-01-01","value":2303.0},{"date":"1995-01-01","value":5745.0},{"date":"1996-01-01","value":5004.0},{"date":"1997-01-01","value":5498.0},{"date":"1998-01-01","value":5898.0}],"summary":{"latest_period":"1998-01-01","latest_value":5898.0,"max":11999.0,"mean":4653.5,"min":273.0,"of":205,"rank":9,"trend":"volatile"}}