{"disease":"polio","iso3":"CHN","granularity":"year","metric":"cases_annual","generated_at":"2026-11-02T04:03:11+00:00","series":[{"source_id":"gho_WHS3_49","start_year":1980,"values":[7442,9625,7741,3296,1626,1537,1844,969,667,4623,5065,1926,1191,653,261,165,3,0,0,1,0,0,0,0,2,0,0,0,0,0,0,21,2,0,0,0,0,0,0]}],"first_year":1980,"last_year":2018,"n_years":39,"latest":{"year":2018,"value":0},"peak":{"year":1981,"value":9625}}