Words · Rare
vaccinia
/vəˈtʃiniə/ · 8 letters · 5 distinct letters
- noun
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
- noun
a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox