Synonyms for Variola Major (same or very similar meaning)
WordNet sense 1 (a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars):
smallpox, variolaWordNet sense 2 (a type of smallpox virus that has a fatality rate of up to 25 percent):
variola major virusFrom the ODE community, based on WordNetadd/edit