{"disease":"pertussis","iso3":"VNM","granularity":"year","metric":"cases_annual","generated_at":"2026-11-02T04:03:11+00:00","series":[{"source_id":"gho_WHS3_43","start_year":1974,"values":[94031,39025,50623,113779,76310,112861,96577,75187,59840,85023,49575,44011,43981,30498,21672,11281,4095,4669,4428,2507,3477,2444,1537,1565,1182,903,1426,1242,662,716,328,194,144,183,280,122,81,105,98,54,90,309,267,555,700,1013,158,44,20,40,1079,176]}],"first_year":1974,"last_year":2025,"n_years":52,"latest":{"year":2025,"value":176},"peak":{"year":1977,"value":113779}}