María L Avila-Aguero, Miguel Betancourt-Cravioto, Ruby Trejo Varon, Juan Pablo Torres, Ana G Lucas, Francisco Becerra-Posada, Carlos Espinal
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Impact of acellular immunization against pertussis; comparative experience of four countries in North, Central and South America.
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.
Areas covered: We examined immunization strategies and epidemiological trends in Chile, Costa Rica, Mexico, and Panama following aP vaccine introduction. Compared vaccine coverage (VC), maternal immunization (MI), and booster strategies (BS), and explored their role in disease control, including post-COVID-19 resurgence.
Expert opinion: High aP VC and MI programs have reduced pertussis in Latin America (LATAM). However, waning immunity, uneven coverage, and disrupted surveillance pose challenges. Strengthening adolescent BS, expanding MI, and improving data systems are vital for sustained control.
期刊介绍：
Expert Review of Vaccines (ISSN 1476-0584) provides expert commentary on the development, application, and clinical effectiveness of new vaccines. Coverage includes vaccine technology, vaccine adjuvants, prophylactic vaccines, therapeutic vaccines, AIDS vaccines and vaccines for defence against bioterrorism. All articles are subject to rigorous peer-review.
The vaccine field has been transformed by recent technological advances, but there remain many challenges in the delivery of cost-effective, safe vaccines. Expert Review of Vaccines facilitates decision making to drive forward this exciting field.
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