Related formsvac·cin·i·al, adjective
Examples from the Web for vaccinia
For example, vaccinia immune globulin, or VIG, is stored and ready for the next person who becomes ill from smallpox vaccine.
By vaccinating a person we inoculate him with vaccinia or cowpox.Essays In Pastoral Medicine|Austin Malley
The view that vaccinia is attenuated variola is well known, and has been extensively adopted by English physicians.