Comparative analysis shows changes in pertussis dynamics in four American countries, indicating potential challenges in public health efforts.
Introduction Pertussis remains a public health concern despite widespread vaccination, due to waning immunity and asymptomatic transmission. The shift to acellular pertussis (aP) vaccines, aimed at reducing side effects, has changed disease dynamics, requiring ongoing evaluation.
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Ávila-Agüero et al. (2025) studied this question.
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