“…The numerous advantages of oral vaccines over needle-based vaccines include their safety, comfort, convenience, lower production cost, efficient administration, and the generation of minimum disposables. Compared with injectable vaccines, oral vaccine pills can be safely self-administered, reduce the number of hospital visits and the need for specialized training of healthcare providers, activate mucosal-as well as systemic cell-mediated immunity, have greater acceptance and customer compliance rates, have increased shelf-life stability, minimize greenhouse gas emissions, and minimize overall vaccine-related healthcare costs [2,[55][56][57][58][59][60][61][62]…”