Intra Nasal Vaccines: An Overview

Mucosal vaccines are gaining much focus of interest to prevent virulence of harmful viruses which spreads through high viral load in surrounding environment of infected patient. These highly contagious pathogens can easily enter into nasal and oral mucosa of healthy patients and infect them. Nasal and oral vaccines can provide effective immunization at site of induction of disease and improves the safety of individuals. They can be used solely as preventive medications and in combination with conventional vaccines and medication to combat serious progression of disease. This review focuses on how nasal vaccines can effectively stimulate immune responses and their superiority to oral and other mucosal vaccines.