Final answer:
Neisseria meningitidis is the organism responsible for causing epidemic meningitis on college campuses, with vaccines available for prevention.b) Neisseria meningitidis
Step-by-step explanation:
The organism that causes epidemic meningitis cases at college campuses is Neisseria meningitidis. College students living in dorms or communal housing are at a higher risk of contracting this type of meningitis, which has resulted in several outbreaks across United States college campuses. Vaccines are available to prevent meningitis caused by certain strains of Neisseria meningitidis, which is important as this pathogen can lead to significant morbidity, including neurological damage or death, even with prompt medical treatment.