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.
It is considered an agent of bioterrorismâand as such, there are few researchers who work with it. â National Geographic, Child Mummy Found With Oldest Known Smallpox Virus, 8 Dec. 2016 Nearly one month into Americaâs bioterrorism scare, the threat seemed to be receding in the nationâs capital as the Supreme Court reopened to employees on Friday.