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Safety of combination vaccines: perception versus reality
1Institute for Vaccine Safety, The Johns Hopkins University, Baltimore, MD, USA. nhalsey@jhsph.edu
Insights
Combination vaccines offer protection against multiple diseases, simplifying childhood immunizations. Rigorous testing ensures these vaccines are safe and effective, benefiting children
Area of Science:
- Pediatric medicine
- Immunology
- Public health
Background:
- Combination vaccines provide simultaneous protection against multiple diseases, simplifying childhood immunization schedules.
- Record low numbers of vaccine-preventable diseases in the United States are attributed to the success of combination vaccines.
- Despite benefits, public concerns and misconceptions persist regarding the safety and efficacy of combination vaccines.
Purpose of the Study:
- To address and dispel common misperceptions and potential barriers related to the use of combination vaccines in pediatric populations.
- To provide evidence-based information on the safety and efficacy of combination vaccines.
Main Methods:
- A comprehensive review of the existing pediatric literature was conducted.
- The review focused on identifying and refuting common misconceptions about vaccine combination.
Main Results:
- Combination vaccines approved by the U.S. Food and Drug Administration (FDA) undergo extensive safety and efficacy testing.
- FDA standards mandate that combination vaccines are as safe and effective as individually administered vaccines.
- Over 50 years of use have informed the continuous improvement and development of combination vaccines.
Conclusions:
- Newer combination vaccines will reduce the number of injections required for children's protection against vaccine-preventable diseases.
- This reduction facilitates the incorporation of new vaccines into immunization schedules, enhancing disease prevention.
- Combination vaccines are crucial for improving child health and preventing a wider range of infectious diseases.
Background:
Combination vaccines contain multiple antigens to protect against several diseases simultaneously and have simplified the delivery of childhood immunizations. Children are healthier today because of the use of combination vaccines, and the United States is benefiting from record low numbers of vaccine-preventable diseases. Despite obvious benefits, concerns and misconceptions exist regarding the safety and efficacy of combination vaccines.
Methods:
A review of the pediatric literature to dispel the common misperceptions and potential barriers to combining vaccines.
Results:
Assurance that combination vaccines approved by the United States Food and Drug Administration undergo extensive testing will help to alleviate concerns regarding safety and efficacy of combination vaccines. Food and Drug Administration standards are rigorous and require that combination vaccines be as safe and effective as each component of the vaccine administered separately. Combination vaccines have been available for >50 years, and lessons learned during this time are continuously applied to the development and use of new products.
Conclusions:
Children will benefit from new combination vaccines because fewer injections will be required to protect against vaccine-preventable diseases, allowing for the introduction of new vaccines into the immunization schedule and prevention of additional diseases.
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