IJRAP International Journal of Research in Ayurveda and Pharmacy 2277-4343 Moksha Publishing House TOPICAL IMMUNIZATION AND THE USE OF CHITOSAN AS CARRIER Vengadesh prabhu K* Sundaramoorthi C Karthick K Selvaraju K Tamilselvi N 11 -0001 90 94 Abstract Keywords Topical vaccination Skin immunity Chitosan Drug delivery References