{"disease":"pertussis","iso3":"NGA","granularity":"year","metric":"cases_annual","generated_at":"2026-11-02T04:03:11+00:00","series":[{"source_id":"gho_WHS3_43","start_year":1974,"values":[31177,34362,37949,42452,45440,58719,48996,56913,77830,70024,62751,92266,42193,51316,34920,33555,42929,18685,22164,23800,22275,null,24766,null,25057,null,38910,34517,11894,null,10976,15609,10997,12573,13240,11281,null,0,11628,8530,9559,6592,null,4244,7897]}],"first_year":1974,"last_year":2018,"n_years":39,"latest":{"year":2018,"value":7897},"peak":{"year":1985,"value":92266}}