Match the description of the disease with the causative microbe. You may select the same option multiple times. (note, I am unable to italicize the bacterial names in this questions due to software limitation) Most common cause of otitis media (middle ear infections) Cause of meningitis, particularly in young adults that live among groups (high school students, college students that live in dorms, young adults in military barracks). If the bacterium moves into the blood and causes septicemia, a rash over the body may result. The toxin produced by some Gram-positive cocci that causes redness (on skin or in the throat) is called.... The pneumonia vaccine given to the elderly is formulated to protect against what bacterium? .