Bilosomes: A Novel Approach to Meet the Challenges in Oral Immunization.

Oral immunization with vaccines has proven its worth by eradicating several diseases worldwide, yet only few oral vaccines exist in practice. This is because the oral route is plagued with various challenges for successful delivery of vaccines, such as limited absorption and high degradation in the gastrointestinal tract. Tremendous research in the last decade has made bilosomes a potential carrier system for oral immunization.