Oral vaccination: where we are?

Area of Science:

• Immunology
• Vaccinology
• Public Health

Background:

• Historical practices, like Bedouin traditions and Chinese medicine, hinted at oral administration for disease prevention.
• Zomotherapy, demonstrated by Charles Richet, further suggested the potential of oral treatments.
• Current vaccine delivery relies heavily on injections, posing a barrier for many individuals.

Purpose of the Study:

• To review recent progress in the field of oral vaccines.
• To highlight the growing interest and research in needle-free vaccine delivery systems.
• To discuss the potential of oral vaccines to revolutionize immunization strategies.

Main Methods:

• Literature review of recent advancements in oral vaccine research.
• Analysis of emerging data on vaccine candidates and delivery systems.
• Synthesis of historical context and current trends in vaccinology.

Main Results:

• Significant increase in research interest and daily data emergence in oral vaccine development.
• Despite historical precedents, the field of oral vaccination has faced numerous challenges.
• A growing number of oral vaccine candidates are under development, though few are currently licensed.

Conclusions:

• Oral vaccines offer a promising needle-free alternative to traditional injections.
• Advancements in the field suggest oral vaccines could significantly expand immunization reach.
• The development of effective oral vaccines holds the potential to transform global health outcomes.