{"disease":"pertussis","iso3":"POL","granularity":"year","metric":"cases_annual","generated_at":"2026-11-02T04:03:11+00:00","series":[{"source_id":"gho_WHS3_43","start_year":1974,"values":[2675,1156,512,1068,633,508,232,281,452,185,326,304,122,295,174,107,292,302,590,314,697,549,330,2092,2871,876,2269,2411,1788,2034,2954,1925,1525,1987,null,2390,1266,null,4682,2183,null,null,6853,3066,1552,null,746,180,371,922,32803,11323]}],"first_year":1974,"last_year":2025,"n_years":47,"latest":{"year":2025,"value":11323},"peak":{"year":2024,"value":32803}}