Sharp drop since 2024 in country regarded as a Latin American leader in childhood and adolescent immunisation Sharp drop since 2024 in country regarded as a Latin American leader in childhood and adolescent immunisation Argentina’s childhood and adolescent vaccination rates have collapsed to a historic lows according to a new analysis, prompting warnings that once-eliminated diseases may resurge. The study of health ministry data by the Argentinian Paediatric Society (SAP) found that fewer than