a local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar
[ Syn: vaccinia , variola vaccine , variola vaccinia , variola vaccina ]
a local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar
[ Syn: vaccinia , variola vaccine , variola vaccinia , variola vaccina ]