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Vaccinations01:51

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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
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Expanding Horizons: Increasing Injectable Vaccine in the Expanded Program on Immunization.

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The Expanded Program on Immunization now uses more antigens, increasing vaccine doses. Research is needed for combined vaccines and alternative delivery methods to improve childhood vaccination acceptance.

Keywords:
expanded program on immunizationimmunizationinjectionvaccine

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Area of Science:

  • Vaccinology
  • Public Health
  • Pediatrics

Background:

  • The World Health Organization's Expanded Program on Immunization (EPI) began in 1974 with 6 antigens and 8 doses.
  • Current childhood vaccination schedules involve 11 antigens across 21 vaccines.
  • Increased vaccine antigens and doses raise concerns about injection burden, pain, and vaccine acceptance.

Purpose of the Study:

  • To address challenges associated with expanded vaccination programs.
  • To advocate for research into combined vaccines and alternative delivery routes.
  • To enhance the effectiveness and acceptability of immunization programs.

Main Methods:

  • Review of vaccine program expansion and associated challenges.
  • Identification of research needs for vaccine development and delivery.
  • Highlighting the importance of innovation in vaccinology.

Main Results:

  • Concerns exist regarding the number of injections and potential adverse reactions.
  • Combined vaccines administered via oral, nasal, or needleless methods are proposed solutions.
  • Reduced injections can potentially increase vaccine acceptance.

Conclusions:

  • Further research and innovation in vaccine development are crucial.
  • Developing combined vaccines and alternative delivery methods can alleviate injection burden.
  • Improving vaccine delivery is essential for effective immunization, especially in resource-limited settings.