ICD-11 definition : A disease caused by an infection with variola virus. This disease is characterized
by a maculopapular rash that progresses to vesicles (commonly on the face, arms, and
legs), and fever. Transmission is by direct contact. Confirmation is by identification
of the variola virus in a skin sample of the rash. In 1980 the 33rd World Health Assembly
declared that smallpox had been eradicated. The classification is maintained for surveillance
purposes.;
A disease caused by an infection with variola virus. This disease is characterized
by a maculopapular rash that progresses to vesicles (commonly on the face, arms, and
legs), and fever. Transmission is by direct contact. Confirmation is by identification
of the variola virus in a skin sample of the rash. In 1980 the 33rd World Health Assembly
declared that smallpox had been eradicated. The classification is maintained for surveillance
purposes.