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Controlling pertussis: how can we do it? A focus on immunization
Federico Martinón-Torres1,2, Ulrich Heininger3, Angus Thomson4
1a Translational Pediatrics and Infectious Diseases , Hospital Clínico Universitario de Santiago , Santiago de Compostela , Spain.
Insights
Pertussis outbreaks are increasing due to lower vaccine uptake and waning immunity. Strategies include broader immunization schedules and public confidence in vaccines to control this contagious respiratory disease.
Area of Science:
- Public Health
- Infectious Diseases
- Immunology
Background:
- Pertussis, caused by Bordetella pertussis, is a highly contagious respiratory illness most severe in infants.
- Vaccination significantly reduced pertussis incidence, but recent outbreaks signal challenges like insufficient uptake, suboptimal vaccine protection, and waning immunity.
- Control strategies are crucial, especially in Europe, with global relevance.
Purpose of the Study:
- To review the major challenges in controlling pertussis.
- To propose optimal strategies for pertussis control, focusing on immunization.
Main Methods:
- This review discusses challenges and strategies for pertussis control.
- Recommendations are based on expert commentary regarding immunization schedules and public confidence.
Main Results:
- A comprehensive immunization schedule is proposed, including infants, preschoolers, adolescents, adults, and pregnant women.
- Sustaining public and healthcare provider confidence in vaccination is vital to address vaccine hesitancy and improve uptake.
- Enhanced regional surveillance is necessary to monitor incidence and outbreaks effectively.
Conclusions:
- Implementing a multi-stage immunization schedule is key to maximizing vaccine coverage.
- Addressing vaccine hesitancy and regional surveillance variations are critical for pertussis control.
- Future development of pertussis vaccines with longer-lasting protection is recommended.
Introduction:
Pertussis is a highly contagious disease of the respiratory tract which is caused by the bacterium Bordetella pertussis and is most severe in those <1 year of age. A vaccine against pertussis, introduced in the 1950's, led to a significant decrease in incidence of the disease, but recent increases in outbreaks have been attributed to insufficient vaccine uptake, suboptimal protection conferred by vaccines, and waning immunity after immunization. Areas covered: In this review we discuss the major challenges for controlling pertussis, and what we believe the best strategies are to overcome these challenges, focusing on immunization against pertussis in Europe, but with recommendations that are relevant worldwide. Expert commentary: To provide maximum vaccine coverage we propose a schedule that incorporates immunization of infants, preschoolers, adolescents, adults, and pregnant women. Uptake of vaccines may also vary between populations due to a variety of causes, including hesitancy to vaccinate, so any national strategy to control pertussis should also include sustaining public and healthcare provider confidence in vaccination. Addressing and improving regional variations in surveillance will also help better monitor annual incidence and outbreaks. Looking towards the future, the development of new pertussis vaccines with longer duration of protection would be advantageous.
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