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Published on: February 22, 2019
Pertussis in infants, children, and adolescents: diagnosis, treatment, and prevention
1Department of Pediatrics, Section of Infectious Diseases, and Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA. florm@bcm.tmc.edu
Insights
Pertussis (whooping cough) is re-emerging globally in infants and children, even with high vaccination rates. Waning immunity necessitates adolescent boosters and early diagnosis for effective management.
Area of Science:
- Infectious Diseases
- Immunology
- Public Health
Background:
- Pertussis, caused by Bordetella pertussis, is a contagious respiratory illness with a global resurgence.
- Despite high vaccination rates, pertussis causes significant illness and death in infants, children, and adolescents.
- Factors contributing to resurgence include increased awareness, better diagnostics, and waning immunity post-childhood immunization.
Purpose of the Study:
- To highlight the re-emergence of pertussis (whooping cough) globally.
- To discuss the contributing factors to the resurgence of this disease.
- To emphasize the importance of vaccination and early diagnosis in managing pertussis.
Main Methods:
- Review of epidemiological data on pertussis incidence and trends.
- Analysis of factors contributing to vaccine-induced immunity waning.
- Evaluation of diagnostic advancements and reporting practices.
Main Results:
- Pertussis is re-emerging worldwide, affecting infants, children, and adolescents.
- Waning immunity in vaccinated individuals creates susceptible populations.
- Adolescents and adults contribute to transmission to vulnerable infants.
Conclusions:
- A cellular pertussis vaccine boosters for adolescents are recommended in industrialized nations.
- Active immunization and prompt diagnosis are critical for controlling pertussis.
- Addressing waning immunity is key to reducing pertussis morbidity and mortality.
Abstract:
Pertussis, or "whooping cough," caused by the gram-negative pleomorphic bacillus Bordetella pertussis, is a highly contagious, potentially life-threatening respiratory tract illness that has re-emerged worldwide as a cause of substantial morbidity and mortality in infants, children, and adolescents, despite high vaccination rates. Increased awareness and reporting, in addition to the availability of better diagnostic tests, partially explain the recent resurgence of pertussis. However, waning immunity after childhood immunization has resulted in a growing pool of susceptible adolescents and adults who are capable of transmitting pertussis to vulnerable unvaccinated or incompletely vaccinated infants. An acellular pertussis vaccine booster for adolescents has been recommended in the United States and other industrialized countries. Active immunization and early diagnosis are crucial in the management of pertussis.
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