variola major

variola major
    n 1: a highly contagious viral disease characterized by fever
         and weakness and skin eruption with pustules that form
         scabs that slough off leaving scars [syn: {smallpox},
         {variola}, {variola major}]
    2: a type of smallpox virus that has a fatality rate of up to 25
       percent [syn: {variola major}, {variola major virus}]