ideo-. a combining form representing idea, in compound words: ideology. Origin of ideo-. ide(a) + -o-.
Smallpox. Smallpox is a disfiguring and potentially deadly infectious disease caused by the Variola major virus. Before smallpox was eradicated, there were two forms of the disease worldwide: Variola major, the deadly disease, and Variola minor, a much milder form.According to some health experts, over the centuries smallpox was responsible for more deaths than all other infectious diseases combined.efore smallpox was eradicated, there were two forms of the disease worldwide: Variola major, the deadly disease, and Variola minor, a much milder form.
Smallpox is an extremely contagious and deadly virus for which there is no known cure. The last known case occurred in the U.S. in 1949 and due to worldwide vaccination programs, this disease has been completely eradicated.Smallpox is also known as âvariola.â. Since the time of ancient Egypt, smallpox has proven to be one of the most devastating diseases to humankind.s a result of worldwide, repeated vaccination programs, the variola virus (smallpox) has been completely eradicated. The only people considered to be at risk for smallpox are researchers who work with it in a laboratory setting.