The floating mountains of Pandora are one of features of The World of Avatar, opening May 27 at Disneyâs Animal Kingdom. On the Naâvi River Journey, guests will ride in canoes on a sacred river through a bioluminescent rainforest ending with an encounter with a Naâvi shaman.
1 Types: Variola major, or smallpox, has a death rate of 30%. 2  Variola minor, or alastrim, is a milder form of the virus with a death rate of 1%. 3  Four types of variola exist: classic, hemorrhagic, malignant, and modified.
M icrobiology. Bordetella pertussis, a small gram-negative coccobacillus, is the most important cause of pertussis. B. parapertussis causes similar, but often milder type of cough with posttussive vomiting. B. bronchiseptica and B. avium are important pathogens in wild and domestic animals. icrobiology. Bordetella pertussis, a small gram-negative coccobacillus, is the most important cause of pertussis. B. parapertussis causes similar, but often milder type of cough with posttussive vomiting. B. bronchiseptica and B. avium are important pathogens in wild and domestic animals.