{"disease":"pertussis","iso3":"IRN","granularity":"year","metric":"cases_annual","generated_at":"2026-11-02T04:03:11+00:00","series":[{"source_id":"gho_WHS3_43","start_year":1974,"values":[33304,31660,213,5849,40366,12688,20395,22521,29956,15055,13178,11519,7829,6123,3327,2699,1230,628,350,34,15,45,80,50,20,24,94,112,21,81,98,125,89,267,605,590,464,650,1329,1415,115,145,116,14,335,242,41,6,59,43,216,490]}],"first_year":1974,"last_year":2025,"n_years":52,"latest":{"year":2025,"value":490},"peak":{"year":1978,"value":40366}}