vaccinia vaccina variola vaccine variola vaccinia variola vaccina
vaccinia%1:26:01:: vaccina%1:26:00:: variola_vaccine%1:26:00:: variola_vaccinia%1:26:00:: variola_vaccina%1:26:00::
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