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.
Vibrio species are mainly responsible for causing cholera and food. poisoning in humans. Vibrio cholerae causes cholerae due to the intake of contaminated food such as raw oysters. Vibrio. parahaemolyticus is a major cause of food borne infections, causing food poisoning (2). Since Vibrio species naturally.