H number H00372
Name Smallpox;
Description Smallpox is a contagious disease caused by the variola virus, one of the Orthopoxviruses that causes skin eruption and marked toxemia. There were two distinct clinical varieties of smallpox: variola major with a case fatality rate of 30% and variola minor with milder severity. Smallpox is an old disease that spread throughout the world causing death in millions of people.
Category Infectious disease