- smallpox, variola, variola major - a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars
--1 is a kind of pox
--1 has parts: pock
--1 has particulars:alastrim, variola minor, pseudosmallpox, pseudovariola, milk pox, white pox, West Indian smallpox, Cuban itch, Kaffir pox - variola major, variola major virus - a type of smallpox virus that has a fatality rate of up to 25 percent
--2 is a kind of variola virus, smallpox virus