Epidemiological Update: Pertussis (Whooping Cough) in the Americas Region – 8 December 2025 – PAHO/WHO

Organization (WHO) in 2024, representing a 5.8-fold increase compared with the number of cases reported in 2023 (n= 167,407 cases). The highest proportion of cases was recorded in the WHO Regions of the Western Pacific (n= 591,193 cases) and…