Smallpox
Synonyms
Alastrim
Minor, Variola
Minors, Variola
Variola
Variola Minor
Variola Minors
Variolas
An acute, highly contagious, often fatal infectious disease caused by an orthopoxvirus characterized by a biphasic febrile course and distinctive progressive skin eruptions. Vaccination has succeeded in eradicating smallpox worldwide. (Dorland, 28th ed)