Related Experiment Video
Updated: Feb 9, 2026

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
Published on: August 24, 2012
Prevention of pertussis: An unresolved problem
Susanna Esposito1, Nicola Principi2
1a Pediatric Clinic, Department of Surgical and Biomedical Sciences , Università degli Studi di Perugia , Perugia , Italy.
Insights
Acellular pertussis vaccines (aPs) show reduced efficacy, leading to increased disease incidence. Boosters are necessary for sustained protection, and further research is needed to optimize acellular pertussis vaccine components.
Area of Science:
- Immunology
- Vaccinology
- Microbiology
Background:
- Pertussis, a contagious respiratory illness caused by Bordetella pertussis, saw reduced incidence after whole-cell vaccine (wP) introduction.
- Safety concerns surrounding wP led to the development of acellular pertussis vaccines (aPs) using specific B. pertussis antigens.
Purpose of the Study:
- To discuss reasons for the decreased efficacy of acellular pertussis vaccines (aPs).
- To evaluate the real-world effectiveness of aPs and compare different formulations.
- To identify optimal antigens for improved pertussis prevention.
Main Methods:
- Review of pertussis vaccine efficacy and incidence data.
- Analysis of acellular pertussis vaccine (aP) components and their immunogenicity.
- Comparative evaluation of different acellular pertussis vaccine preparations.
Main Results:
- Acellular pertussis vaccines (aPs) introduction was followed by a gradual increase in pertussis incidence.
- Multiple booster doses appear necessary to maintain adequate protection against pertussis.
- Variability in effectiveness among different acellular pertussis vaccine formulations may exist.
Conclusions:
- The efficacy of current acellular pertussis vaccines (aPs) may be suboptimal, necessitating further investigation.
- Optimizing the antigen composition of acellular pertussis vaccines (aPs) is crucial for enhancing pertussis prevention.
- Additional research is required to determine the most effective antigens for future acellular pertussis vaccine formulations.
Abstract:
Pertussis is a highly contagious respiratory disease caused by Bordetella pertussis. However, after the introduction of the whole-cell pertussis vaccine (wP), the annual incidence rates of the disease progressively declined. Despite this result, the inclusion of wP in the national immunization schedule of infants and young children was debated regarding its safety. Several efforts to produce vaccines based on B. pertussis components capable of evoking protective immunity with no or limited adverse events were made. Of these others, five pertussis antigens were considered possible components of acellular vaccines (aPs): pertussis toxin (PT), filamentous haemagglutinin (FHA), pertactin (PRN) and fimbria proteins 2 and 3. However, the introduction of aPs was followed by a slight but progressive increase in the incidence of pertussis. This paper discusses the potential reasons for reduced aPs efficacy. Moreover, it attempts to evaluate the real effectiveness of aPs and the potential differences between available preparations. Data analysis showed that several boosters are needed to maintain protection against pertussis and additional studies are needed to confirm the antigens that should be included in aPs to improve the prevention of pertussis.
Related Concept Videos
Cancer Prevention
Some...
Prevention of Further Absorption of Poison
Preventive Healthcare Services
Pneumonia V: Nursing management and Prevention
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
Healthcare Associated Infections II: Preventive Measures
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
Models of Health Promotion and Illness Prevention II
The agent-host-environment model states that disease results...

