{"disease":"polio","iso3":"SDN","granularity":"year","metric":"cases_annual","generated_at":"2026-11-02T04:03:11+00:00","series":[{"source_id":"gho_WHS3_49","start_year":1980,"values":[4151,63,88,109,78,171,162,99,93,51,4,27,10,252,25,22,51,33,50,60,79,1,0,0,128,27,0,1,26,45,0,0,0,0,0,0,0,0,0]}],"first_year":1980,"last_year":2018,"n_years":39,"latest":{"year":2018,"value":0},"peak":{"year":1980,"value":4151}}